Why does ice have the lowest density?

Answers

Answer 1

Answer:

Ice actually has a very different structure than liquid water, in that the molecules align themselves in a regular lattice rather than more randomly as in the liquid form. It happens that the lattice arrangement allows water molecules to be more spread out than in a liquid, and, thus, ice is less dense than water.


Related Questions

The condition in which there are barriers to successful interbreeding.

Answers

Answer:

latent variations,

sterility

structural differences

reproductive isolation

what is hyprocloric​

Answers

Answer:

A homeboy I need the answer too H

Explanation:

Answer:

an aqueous solution of hydrogen chloride HCl that is a strong corrosive irritating acid, is normally present in dilute form in gastric juice, and is widely used in industry and in the laboratory.

Explanation:

NEED HELP WITH 1, 2, AND 3 ASAP 15 POINTS

NEED HELP WITH 1, 2, AND 3 ASAP 15 POINTS

Answers

From the cell energy test:

Letter on the diagram representing chemical energy in the form of ATP energy is C.Organelle that converts solar energy into stored chemical energy in the bonds of glucose is A.Name of the process in which C₆H₁₂O₆ is synthesized using CO₂ and H₂0 is B.

What is chemical energy in the form of ATP energy?

Chemical energy in the form of ATP (adenosine triphosphate) energy refers to the energy stored in the high-energy phosphate bonds between the three phosphate groups of ATP molecules.

When ATP is broken down, energy is released, which can be used by cells to perform various cellular processes and functions. ATP is often referred to as the "energy currency" of the cell, as it provides the necessary energy for metabolic reactions, muscle contraction, and other essential cellular functions.

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.......

explain how we can get energy out of ATP. What has to happen for us to get energy out of ATP?

Answers

Answer:yes

Explanation:

the gene e01g4.3 is regulated by a short rna. you notice that when the short rna is not present, mrna levels levels of e01g4.3 increase. this short rna is likely to be a

Answers

As a result of the absence of the short rna, mrna levels of e01g4.3 rise. Probably a siRAN, this short rna is.

In layman's terms, what is gene?

A gene is the fundamental structural and functional component of heredity. The DNA that makes up genes. In some cases, genes serve as blueprints for the creation of proteins. In contrast, a large number of genes do not encode proteins.

Just what is a gene example?

Numerous characteristics, such as your skin and hair colors, are determined by the genes you inherit. The red hair gene may have been passed on to Emma by her mother, who may have two genes—one for brown hair and one for red hair. She might have red hair if her father carries two genes for the color.

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Select the correct answer from each drop-down menu.
Chris in lives in a city that experiences heavy rainfall with average annual precipitation of 882 millimeters. It is warm all year.
Mark lives in city with an average annual rainfall of 40 millimeters. It has hot summers and cool winters.
Chris's city is in a
climate, while Mark's city is in a
climate.
Reset
Need

Select the correct answer from each drop-down menu.Chris in lives in a city that experiences heavy rainfall

Answers

The climate in Chris' city is humid tropical. The climate of Chris's city appears to be of the tropical wet climatic type, as places near the equator typically experience high precipitation and warm, humid climates.

Which region is most likely to see above-average rainfall?

The equatorial zone and Southeast Asia's monsoon region are home to the areas with the most precipitation. Little rain falls in the desert areas of the subtropics and around the poles, while substantial amounts fall in the middle latitudes.

Which two places have tropical weather?

Between the Tropics of Cancer (23°27'N) and Capricorn (23°27'S), a region of the planet referred to as the tropics, is where the majority of tropical climates may be found. The tropics receive more solar energy overall than any other region of the planet.

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Question 1 of 5
What is one way water moves through the nonliving parts of an ecosystem
during the water cycle?
A. Transpiration
B. Evaporation
ОООО
C. Photosynthesis
D. Sweating

Answers

i think it is B
explanation: water droplets or anything comes from the ground and goes up in into the clouds to create evaporation which then fills the clouds to make it rain.

what is the function of a circulatory system mastering biology

Answers

The circulatory system transports oxygen, nutrients, hormones, and waste products throughout the body, ensuring proper functioning of organs and tissues, and maintaining homeostasis.

The circulatory system, also known as the cardiovascular system, plays a crucial role in mastering biology. Its primary function is to transport vital substances, such as oxygen, nutrients, hormones, and waste products, throughout the body. Comprised of the heart, blood vessels, and blood, this system ensures the efficient distribution and exchange of these substances to support the functioning of all organs and tissues.

Oxygen-rich blood is pumped by the heart to tissues, providing the necessary oxygen for cellular respiration. The circulatory system also facilitates the delivery of nutrients and hormones required for cellular activities, as well as the removal of metabolic waste products like carbon dioxide. The circulatory system aids in regulating body temperature, pH balance, and immune responses, contributing to overall homeostasis and optimal biological functioning.

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The correct question is:

What is the function of a circulatory system mastering biology?

This Venn diagram is being used to compare the characteristics of nonvascular and vascular plants.



Which characteristic is shared by the two plants, and can therefore be placed in the overlapping section?

have roots
perform photosynthesis
have xylem and phloem
produce seeds

Answers

Answer:

perform photosynthesis

The specific xylem and phloem tissues that vascular plants (tracheophytes) have for supporting and conducting water and food, respectively, set them apart from nonvascular bryophytes.Thus, option B is correct.

What best defines about nonvascular and vascular plants?

The existence of chloroplasts and the green pigment chlorophyll, which enable plants to carry out photosynthesis, is the fundamental similarity between these two plant groupings. Due to their capacity to manufacture their own food, plants are now the main contributors to the ecosystem's production.

Tracheophytes are another name for vascular plants. Pteridophytes, gymnosperms, and angiosperms are among them.Nonvascular plants lack the specialized vascular system required to transmit water and nutrients. Examples of simple structures that are specialized for doing transportation are those found in algae and bryophytes.

Therefore, perform photosynthesis characteristic is shared by the two plants.

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Which of the following food chain correctly represents the flow of energy in a living system? NEED ASAP

Which of the following food chain correctly represents the flow of energy in a living system? NEED ASAP

Answers

Answer:

B-> Starts with Producer

Explanation:

It's in the name. You will just have to memorize the vocabulary.

Option (B) correctly represents the flow of energy in a living system because food chain starts with a producer.

What is a food chain?

Wild food chain shows who eats whom. Every living thing—from algae to blue whales—needs food. Each food chain is an energy and nutrient channel in the ecosystem.

In food chains, organisms are categorised into trophic levels. Producers (first trophic level), consumers (second, third, and fourth trophic levels), and decomposers roughly correspond to these levels.

Autotrophs produce their own nourishment. They start every food chain. Plants and single-celled creatures are autotrophs. Nearly all autotrophs make "food" (glucose) from sunlight, carbon dioxide, and water through photosynthesis.

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josiah was just diagnosed with type 2 diabetes, which means that he is now also at increased risk for developing cardiovascular disease.true or false

Answers

The given statement "Josiah was just diagnosed with type 2 diabetes, which means that he is now also at an increased risk of developing cardiovascular disease" is true.

The reason is that type 2 diabetes raises the risk of cardiovascular disease. Type 2 diabetes is a metabolic disease that is reported when the pancreas cannot make enough insulin or when the body cannot effectively use the insulin it produces.

Insulin is a hormone that regulates blood sugar levels in the body. As a result, blood sugar levels rise and cause a variety of symptoms.

Heart attacks, strokes, and peripheral artery disease are all examples of cardiovascular diseases. CVD is a major cause of death globally, and diabetes increases the risk of developing CVD.

High blood sugar levels can cause damage to blood vessels, increasing the risk of atherosclerosis, or the hardening and narrowing of the arteries.

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T/F: originally, fat-16 supported comparatively short filenames, referred to as 6.3 filenames.

Answers

The given statement "originally, FAT-16 supported comparatively short filenames, referred to as 6.3 filenames." is true.



To elaborate on this, the FAT-16 file system was introduced as a part of the MS-DOS operating system in the early 1980s. The 6.3 filenames, also known as 8.3 filenames, were a characteristic of this file system. These filenames consisted of a maximum of eight characters for the primary name and a maximum of three characters for the file extension, separated by a period.

This limitation in the filename length was due to the way the FAT-16 file system stored directory entries. Each entry had a fixed size of 32 bytes, out of which 11 bytes were allocated for the filename and file extension. This short filename structure made it difficult for users to give more descriptive and meaningful names to their files.

As computer technology evolved and the need for longer filenames arose, Microsoft introduced the VFAT (Virtual File Allocation Table) extension to the FAT-16 file system with Windows 95. This extension allowed for longer filenames (up to 255 characters) while maintaining backward compatibility with the original 8.3 format filenames.

Consequently, newer versions of the FAT file system, such as FAT-32, also support long filenames.

So, the given statement is true.

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Who has the right of way at an uncontrolled intersection in California?

Answers

When two vehicles reach an uncontrolled intersection at the same time, the vehicle on the right has the right of way in California.

Give way to cars and pedestrians on the through route at "T" crossings without "STOP" or "YIELD" signs. The path should be taken by them.

All approaching cars that are near enough to be dangerous must yield the right-of-way when you make a left. Search for motorcycles, bicycles, and pedestrians as well.

Keep your wheels pointed straight ahead as you wait to make a left turn until it is safe to begin the turn. You can be forced into oncoming traffic if you have your wheels oriented to the left and a car hits you from behind.

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(Control of Gene Expression in Prokaryotes)
What type of operon is illustrated in Model 1?
Consider the operon In Model 1. Other than the gene that regulates the operon, how many genes are contained within the operon?
In model one, where on the DNA strand does RNA polymerase bind to start transcription, the promoter, the operator or the terminator?

Answers

Model 1 illustrates an inducible operon. The lac operon consists of three genes which are lacZ, lacY, and lacA.

It is also known as the lac operon, which is involved in the metabolism of lactose in prokaryotes. , that encode for proteins involved in the breakdown of lactose. In addition to the three genes, the lac operon contains regulatory elements, including the promoter, operator, and regulatory gene.

Other than the regulatory gene, the lac operon contains three structural genes, lacZ, lacY, and lacA, which are involved in the metabolism of lactose.

In Model 1, RNA polymerase binds to the promoter region, which is located upstream of the lac operon. The operator region, located downstream of the promoter and upstream of the structural genes, serves as a binding site for the repressor protein that inhibits the transcription of the lac operon. The terminator region, located downstream of the structural genes, serves as a signal for the termination of transcription.

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Is this right if not please help

Is this right if not please help

Answers

Answer:

You are right!!!!!!!!!!

Your correct! Good job!!!

4. Migration of animals in the savanna is mostly a response to...

A. predation

B. altitude

C. rainfall

D. temperature

Answers

Answer:

D

Explanation:

Answer:

Rainfall?

Explanation:

Im not sure on this but I think this is the correct answer.

A) Define denaturation
B) In what conditions proteins denature?

Answers

Answer:

Denaturation, in biology, process modifying the molecular structure of a protein

Denaturation can occur when proteins and nucleic acids are subjected to elevated temperature or to extremes of pH, or to nonphysiological concentrations of salt, organic solvents, urea, or other chemical agents.

‼️PLEASE HELP‼️
adaptation - a behavior or trait that increases the ability of an organism to ________ and/or reproduce


extinction - the total ________ of all members of a species


predator - an organism that ________ another for food


variation - the ________ differences between individuals of the same species

Answers

answers could vary, but this is what I came up with
1) survive
2) death
3) hunts
4) genetic
Not so sure about 2 and 4, if anyone else knows anything more than I do then they might tell you a better answer

What is one disorder in the body where some cells no longer have checkpoints that
control growth and reproduction?

Answers

Answer:

Cell Division and Cancer. Cancer cells are cells gone wrong — in other words, they no longer respond to many of the signals that control cellular growth and death.

Explanation:

Which phyla move by using pseudopodia?
A.Sarcodina
B.Rhodophyta
C.Chlorophyta
D.Euglenophyta

Answers

Answer:

A) Sarcondina

Explanation:

They are the only type of phyla which move with pseudopodia.

The phylum that moves by using pseudopodia is Sarcodina, which is in option a. Sarcodina is a phylum within the kingdom Protista, so here the correct sequence is option a.

Amoebas in the phylum Sarcodina move and capture their prey by extending and retracting temporary extensions of their cytoplasm called pseudopodia. These pseudopodia allow amoebas to change their shape and move in a crawling-like manner. Rhodophyta refers to the phylum of red algae, which typically have a complex cell structure but do not move by pseudopodia. Chlorophyta refers to the phylum of green algae, which often have flagella or other specialized structures for movement, but not pseudopodia. So here the correct sequence is option a.

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Most of the energy that heats the troposphere is
A Conduction
B Convection
C Radiation
D None of the above

Most of the energy that heats the troposphere isA ConductionB ConvectionC RadiationD None of the above

Answers

Answer:

B. Convection

Explanation:

most of heat energy transferred in the troposphere is done by convection. Convection does not only mean thunderstorm clouds but means any mixing of air. Air is always on the move (rising, sinking and advecting). The air mixes as it moves into the surrounding air.

Answer:

Convection would be the correct answer.

what is the uses of forest​

Answers

We depend on forests for our survival, from the air we breathe to the wood we use. Besides providing habitats for animals and livelihoods for humans, forests also offer watershed protection, prevent soil erosion and mitigate climate change.

Answer:

Forests are increasingly managed for a variety of uses and values, often in combination. ... Forests and trees outside forests provide many different products, ranging from timber and fuelwood to food (berries, mushrooms etc.), fodder, and other non-wood forest products.

What determined whether light was absorbed, reflected?

Answers

Answer:

Absorption depends on the electromagnetic frequency of the light and object's nature of atoms. The absorption of light is therefore directly proportional to the frequency. If they are complementary, light is absorbed. If they are not complementary, then the light passes through the object or gets reflected.

hope this helps ^w^

help i will give BRAINLIST :) help me and thxxx​

help i will give BRAINLIST :) help me and thxxx

Answers

1. They’re both nucleic acids because they’re both made of nucleotides. They both use A,C and G as their bases. mRNA is a copy of DNA.

2. Shape: DNA- Double Helix mRNA- Single Helix

Nitrogen Bases: DNA- ATCG mRNA- AUCG

Sugars: DNA- Deoxyribose mRNA- Ribose

Location: DNA- nucleus mRNA- made in nucleus moves to the ribosome into cytoplasm

La circulación __________ lleva la sangre a los pulmones para purificarla y luego la regresa al corazón para que la circulación __________ se encargue de repartirla a todos los órganos del cuerpo11.La parte líquida de la sangre se llama __________

Answers

Answer:

pulmonar; sistemica; plasma

Explanation:

La circulación pulmonar es responsable de llevar sangre del corazón a los pulmones. En este caso, la sangre rica en dióxido de carbono sale del ventrículo derecho a través de la arteria pulmonar, llega a los pulmones, sufre intercambio de gases y regresa a la aurícula izquierda del corazón a través de las venas pulmonares.

La circulación sistémica es responsable de garantizar que la sangre oxigenada se transporte por todo el cuerpo y que la sangre rica en dióxido de carbono regrese al corazón.

El plasma sanguíneo es una solución acuosa amarillenta que consiste en agua, minerales y proteínas. Su función es transportar estas sustancias por todo el cuerpo. El plasma representa aproximadamente el 55% del volumen sanguíneo.

the long, narrow part of the intestine where food is digested and nutrients are absorbed into the bloodstream.

Answers

Answer:

The small intestine

Explanation:

Answer the following three questions based on the diagram below.

Which of the pictured organisms is a eukaryote? Explain your answer using evidence from the diagrams.
Describe two similarities between the cells of prokaryotes and eukaryotes.
Describe one difference between the cells of prokaryotes and eukaryotes. You may not use the evidence you described in the first question.

Answer the following three questions based on the diagram below.Which of the pictured organisms is a

Answers

1. Amoeba is a eukaryotic cell since they have a membrane bound organelles and nucleus
2. They both contain DNA and Ribosome
3. Eukaryotic cells have membrane-bound organelles, including a well-defined nucleus that houses DNA, while prokaryotic cells lack these membrane-bound structures, including a nucleus. Instead, prokaryotic cells have a single circular chromosome located in the nucleoid region of the cell.

Classify invertebrates in this table with all the correct information.

Classify invertebrates in this table with all the correct information.

Answers

The invertebrates from the table above is correctly classified below:

Invertebrates Phylum

Anemones Cnidaria

Butterfly Arthropoda

Clam Mollusca

Coral Cnidaria

Crab Arthropoda

Earthworm Annelida

Grasshoppers Arthropoda

Hydra Cnidaria

Jellyfish Cnidaria

Lobster Arthropoda

Mussel Mollusca

Nematode Nematoda

Octopus Mollusca

Planaria Platyhelminthes

Scorpion Arthropoda

Grasshoppers are invertebrates which belong to the phylum Arthropoda

Classification of grasshopper:

Phylum: Arthropoda

Sub-phylum: Hexapoda

Class: Insecta

Body symmetry: Bilateral symmetry

Characteristics: Below are some of the characteristics of grasshopper

They have three body regionsThey posses three pairs of legsThey have one pair antennaeTracheal system is present

What are invertebrates?

Invertebrates are animals without backbone.

Below are some invertebrate phyla:

PoriferaCnidaria or coelentrataAnnelidaNematodaEchinodermataMolluscaArthropoda

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look at the picture please

look at the picture please

Answers

In a cross-section of a leaf we can identify structures like cuticle, epidermis, parenchima, vascular bundles, and stomata. Labels in the attached files. 1) photosynthesize. 2) to absorb as much sunlight as possible. 3) Spines, which are leaf modifications.

What is the leaf structure in a cross-section?

In a leaf cross sections, we can identify,

Epidermis ⇒ It is the first cell layer located on the leaf surfaces. It is mono-seriated if it is composed of a single cell line. There is an upper and lower epidermis.

Cuticle ⇒ It is a layer of a cerous material secreted by cells that protect the epidermis. It is located over this it.

Parenchyma ⇒ cells located in the leaf interior with several chloroplasts. There are two main types of parenchyma,

- Palisade parenchyma ⇒ are cylindrical cells with little spaces in between.

- lacunar parenchyma (also known as spongy parenchyma) ⇒ irregular cells with several spaces in-between.

Immerse in the parenchyma are the vascular bundles composed of the xylem and phloem. In each bundle, the xylem faces the upper part of the leaf, while the phloem faces the lower part of the organ.

Stomata are small pores on the leaf's surface that regulate gas interchange and transpiration. Their opening is regulated by two guard cells that are surrounding them.

Labels in the attached files

1) Primary function of the leaf ⇒ to photosynthesize

2) Leaves are usually large and flattened to absorb as much sunlight as possible

3) Variations among leaves are spines for instance, which are leaf modifications.

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look at the picture please

in a lab investigation one group of students measured the temperature at which various substances boiled. Their results are listed imf the table.

in a lab investigation one group of students measured the temperature at which various substances boiled.

Answers

Answer:

ethanol

Explanation:

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What term refers to a way of representing numbers using letters dating back to ancient Rome?Greek symbolismRoman numeralsRussian numeralsRoman script Instant Practice: Fill in the missing consonant letters.I don't know the exact name of this animal Amir operates a large lobster boat. The operating cost for the boat is $2.250 each day. At the end of each day, he sells all his freshly caught lobster to either the local restaurant or the local grocery store with the following conditions: The price per pound that the restaurant is willing to pay follows a triangular distribution with minimum value $1.50, maximum value $5.50, and likeliest value $3.50. The price per pound that the grocery store is willing to pay is decreasing with more lobsters: $3.85 - 50.0005 * y, where y is the total lobster amount sold in pounds. The amount of lobster that Amir catches in a single day follows a normal distribution with mean 1,500 pounds and standard deviation sqrt(12,500) pounds. Amir decides to sell a fixed percentage of lobster to the local restaurant and the rest to local grocery stores. Using either math or simulation, can you help Amir determine what percentage he should choose in order to maximize his expected profit in the long run? Question 8(Multiple Choice Worth 5 points)(01.05 MC)"What avails, then, the folly of the painter, who from sinful love of gain depicts that which should not be depicted-that is, with his polluted handshe tries to fashion that which should only be believed in the heart and confessed with the mouth? Those fall into the same blasphemy whovenerate the image, and the same woe rests upon both."Which of the following figures would have been most likely to write a response to the quotation above strongly disagreeing with it?O Emperor Leo IIIO Emperor Leo VO John of DamascusPO Justinian Geniee die Punkte! Frhliche Weihnachten!"Whoever is happy will make others happy too." -Anne Frank BRAINLIEST PLS HELP What does this quotation mean to you?Why do you think the author wrote this quotation?Quotation 2: A sentence from Should We Terraform Mars?:We should appreciate the differences in and variety of worlds instead of just transforming them to suit our own ambitions. Please help! i will mark brainliest and thank on your profile. identify three professions that would be involved in the construction of a house and explain what type of work each professional would do. use spanish vocabulary in your response. What is the surface area of a cylinder with a height of 20 meters and a diameter of 10 meters? A. 1884 m2 B. 863 m2 C. 353.25 m2 D. 785 m2 compasition about my friend in french A brilliant young golfer loses 15% of the tournaments she enters. 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Artifacts could include pictures, songs, objects, symbols, or anything that means something to you.You can gather artifacts from your personal belongings, online resources, or other sources accessible to you. After gathering three artifacts, write a 50-word paragraph explaining what each artifact is and how it relates to your identity. What is 2n + 17 = 233 solved algebraically??? Sam is a 2-year-old boy whose parents are worried that he is not growing quickly. what will his pediatrician be most likely to check? 1. Complete the following sentences with vocabulary words from the table below. La carretera el mercado apartamentos El museo el campo las afueras 1. A mi hermana y a mi nos encanta el arte y visitamos ----- cada mes para ver las obras de arte. 2. Mi madre hace las compras en ---- todos los das para comprar fruta y verduras frescas y carne para la cena. 3. Yo prefiero vivir en la ciudad porque siempre hay muchas cosas que hacer, pero mi amigo prefiere vivir en ---- porque piensa que la ciudad es muy cara y ruidosa. A l le gusta mucho los animales y el aire fresco. 4. En ---- donde vivo, hay muchas personas y el apartamento es muy pequeo. cerca de Por eso quiero ir a vivir en ----- la ciudad, para tener una casa grande con un el edificio de la caridad, para tener ina casa grande con in jardin y mucho espacio para jugar. Help me please, I'll give brainliest! What is its significance for modern biological theories of crime during the process of forwarding traffic, what will the router do immediately after matching the destination ip address to a network on a directly connected routing table entry? transactions that are entered in the journal are then posted to specific categories in a(n) ______.