Old thermometers contained very small amounts of mercury. The mercury in the photo has a melting point of -38°C. What can u conclude about the melting point of the mercury in the old thermometer?

Answers

Answer 1

Answer:

The thermometer can not be used to measure very low temperature

Explanation:

Mercury-in-glass thermometer is one of the types of liquid-in-glass thermometers.

Given the very melting point of mercury, it is unsuitable to attempt to use this thermometer for very low temperature measurement.

Hence, from the melting point of mercury, this thermometer can not be used to measure very low temperature.


Related Questions

The balanced equation for photosynthesis is shown below.

6CO2+6H20->C6H12O6+6O2

What best explains whether mass is conserved during photosynthesis?

It is not conserved because the total number of H atoms is 6 more than the total number of C atoms.

It it’s not conserved because the total number of O atoms is 6 more than the total number of H atoms.

Is is conserved because the total number of H atoms on each side is 12.

Is it conserved because the total number of O atoms on each side is 2.

Answers

Answer:

It is conserved because the total number of atoms on each side is the same.

Explanation:

During photosynthesis, carbon dioxide (CO2) and water (H2O) react to form glucose (C6H12O6) and oxygen (O2). The law of conservation of mass states that matter cannot be created or destroyed, only transformed from one form to another. Therefore, the total mass of the reactants should be equal to the total mass of the products.

In the balanced chemical equation for photosynthesis, the number of atoms of each element is equal on both sides of the equation. This means that the total mass of the reactants is equal to the total mass of the products, and mass is conserved during photosynthesis.

Therefore, the correct answer is that mass is conserved because the total number of atoms on each side is the same.

• Drag the labels of Group 2 to their respective targets to identify key events in mitosis. • Then drag the labels of Group 1 to their respective targets to identify the stages of mitosis. Interphase Anaphase Centrosomes Telophase and cytokenesis Prophase Metaphase Sister chromatids centered Mitotic spindle forming Nuclear envelopes forming Chromosomes separating

Answers

ANSWER -

Group 2 labels:

Prophase
Metaphase
Anaphase
Telophase and Cytokinesis
Targets:

Nuclear envelopes forming
Centrosomes
Mitotic spindle forming
Chromosomes separating
Sister chromatids centered
Group 1 labels:

Interphase
Prophase
Metaphase
Anaphase
Telophase and Cytokinesis
Targets:

Chromosomes condense
Mitotic spindle forms
Chromosomes align at the equator
Chromosomes separate
Cytokinesis occurs and two identical nuclei form.

Group 2 (Key events in mitosis): Mitotic spindle forming: Sister chromatids centered, nuclear envelopes forming: Chromosomes separating, centrosomes: Chromosomes separating, sister chromatids centered: Mitotic spindle forming, and chromosomes separating: Nuclear envelopes forming.

Group 1 (Stages of mitosis): Prophase: Mitotic spindle forming, metaphase: Sister chromatids centered, anaphase: Chromosomes separating, and telophase and cytokinesis: Nuclear envelopes forming.

Thus, these are the correct matches for the key events in mitosis (Group 2) and the stages of mitosis (Group 1).

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Your question is incomplete, most probably the full question is this:

• Drag the labels of Group 2 to their respective targets to identify key events in mitosis. • Then drag the labels of Group 1 to their respective targets to identify the stages of mitosis. Interphase Anaphase Centrosomes Telophase and cytokinesis Prophase Metaphase Sister chromatids centered Mitotic spindle forming Nuclear envelopes forming Chromosomes separating

 Drag the labels of Group 2 to their respective targets to identify key events in mitosis. Then drag

which statement best describes the relationship between adenosine diphosphate (adp) and adenosine triphosphate (atp)?
A. With an input of energy, ADP rearranges to become ATP.
B. Without any energy change, ADP rearranges to become ATP.
C. With an input of energy, ADP combines with a phosphate group to become ATP.
D. With a release of energy, ADP combines with a phosphate group to become ATP.

Answers

The statement that best describes adenosine diphosphate (ADP) and adenosine triphosphate (ATP) is with an input of energy, ADP combines with a phosphate group to become ATP(option C)

What is Adenosine triphosphate and Adenosine diphosphate?

Adenosine diphosphate (medical abbreviation ADP) is a molecule that is involved in transferring and providing cells with energy.

Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level.

The structure of ATP is a nucleoside triphosphate, consisting of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups.

If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate.

Similarly When the cell has extra energy from food break down, it stores that energy by reattaching a free phosphate molecule to ADP, turning it back into ATP.

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True or false? The skills and characteristics needed for a high-quatilty friendship are the same skills and characteristics needed in a committed long-term relationship of marriage

Answers

Answer:

True and false because it depends, some characteristics can be used while others not. However, I believe that the best choice would be TRUE.

Explanation:

Which purpose is the main function of the light-dependent reactions of photosynthesis?

Answers

Answer:

The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules. The light-dependent reactions begin in a grouping of pigment molecules and proteins called a photosystem.

The light-dependent reactions convert light energy into chemical energy. The goal of the light-dependent reactions of photosynthesis is to collect energy from the sun and break down water molecules to produce ATP and NADPH. These two energy-storing molecules are then used in the light-independent reactions.

Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each chloroplast.

Answers

Chloroplasts are chlorophyll-containing organelles in plant cells; they play a important role for lifestyles on earth considering the fact that photosynthesis takes region in chloroplasts. Chloroplasts expand from proplastids, as do chromoplasts, leucoplasts, and different plastids.

Chloroplasts are plant cellular organelles that convert mild electricity into extraordinarily stable chemical strength via the photosynthetic system. with the aid of doing so, they sustain life on this planet. Chloroplasts additionally offer diverse metabolic sports for plant cells, along with the synthesis of fatty acids, membrane lipids, ...

A chloroplast is an organelle in the cells of flowers and sure algae that is the website of photosynthesis, which is the manner by which energy from the solar is transformed into chemical electricity for increase.

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This category of endangerment occurs when organisms are still abundant in its natural range, but declining in numbers:

A. Endangered species
B. Threatened species
C. Invasive species
D. Endemic species
E. Red list species

Answers

The answer to the question is B

Four general rules for cross contant prevention are?​

Answers

Foods in plastic bags
separate when going to check out
separate from meats
wash fruits and meats

explain why a plant need nitrogen, phosphorus, magnissium, potassium

Answers

Nitrogen is used by plants for lots of leaf growth and good green color. Phosphorous is used by plants to help form new roots, make seeds, fruit and flowers. It's also used by plants to help fight disease. Potassium helps plants make strong stems and keep growing fast.

How are molecules like glucose used by the body?

Answers

Red blood cells rely on glucose for energy and convert glucose to lactate. The brain uses glucose and ketone bodies for energy. Adipose tissue uses fatty acids and glucose for energy.

) Some students investigated the effect of the different concentrations of sugar in four drinks, A, B, C and D, on the movement of water across a partially permeable membrane. The students: • made four bags from artificial partially permeable membrane • put equal volumes of 5% sugar solution in each bag • weighed each bag containing the sugar solution • placed one bag in each of the drinks, A, B, C and D • after 20 minutes removed the bags containing the sugar solution and weighed them again. (i) The bag in drink A got heavier after 20 minutes. Explain why.
A contains 0.1% sugar solution.
B contains 4.2% sugar solution.
C contains 6.9% sugar solution.
D contains 10.6% sugar solution.

Answers

Answer:

Concentration of sugar in the bag was higher than in the drink or higher concentration of water outside the bag or in the drink boiling tube so water moved in (to the tubing by osmosis.

Explanation:

Concentration of sugar in the bag was higher than in the drink or higher concentration of water outside the bag or in the drink boiling tube so water moved in (to the tubing by osmosis.

The bag in drink A got heavier after 20 minutes because the water from outside traveled inside the bag via osmosis. Therefore, option (A) is correct concentration of the drink.

What is osmosis?

The process of osmosis refers to the transfer of water molecules from a solution that contains a high concentration of water molecules to a solution that contains a lower concentration of water molecules. This transfer takes place through the membrane of a cell, which is only partially permeable.

The states of hypertonicity, isotonicity, and hypotonicity are the three categories of osmotic conditions.

Within a live cell, osmosis plays a significant part in the movement of nutrients as well as the excretion of metabolic waste products. Within a cell, it regulates the flow of water and the levels of intracellular fluid so that they are more stable. Osmosis is responsible for both the regulation of cell-to-cell diffusion as well as the preservation of the mechanical structure of a cell.

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During which era did Pangaea break up?A. CenozoicB. MesozoicC. PaleozoicD. Precambrian

Answers

The correct option is B. Mesozoic. Since Pange started to break up, around 200 million years ago. The Mesozoic spans from 252 and 66 million years ago.

During prenatal development, hormones influence the brain the MOST during _____ month of development.

Answers

Answer:

Fourth and Fifth month

Explanation:

The fourth and fifth months formed the major part of the second trimester, and it is characterized by the growth of the brain and central nervous system which shows more alertness and developed faster in a way that appears similar to that of a new baby.

Also, this fourth and fifth month is characterized by growth in other parts of the unborn baby such as an increase in heartbeat, fingernails, hair, eyelashes, and toenails.

Can environmental factors influence the expression of traits?

Answers

Answer:

Environmental Factors Interact with Genes

Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.

What are the 10 topics in biology that interests you as a student, generalize why you are interested in the given topics you provided.\?

Answers

This is your anwer
Please mark me as a brilliant
What are the 10 topics in biology that interests you as a student, generalize why you are interested

Over a long period, how might living things adapt to increased carbon dioxide levels and global warming?

Answers

Yes. We could be done for if it is anthropogenic and if it is not being caused by CO2 as we are lead to believe. CO2 may not be the only anthropogenic cause (if it is a cause).

If climate change is due to weather engineering by chem trailing in conjunction with ionospheric heating, then it could cause serious illness to our species.

The use of the electro-magnetic spectum and radio waves by ionospheric heaters, could cause genetic damage as well as infertility. Whether other sources of RF/EMF also play into weather manipulation and control is unclear. Whether the use of ionospheric heaters contributes to climate change is unclear, but it intuitively seems likely. Creating a sustaining a plasma in the ionosphere may heat up more than the ionosphere and it may have an impact on the weather.

We do not know what chemicals are being used to obscure the sun, create clouds, perhaps create rain and wind, (nor why) and therefore we do not know if those could also contribute to infertility or genetic damage when they finally wash out of the sky. We do not know if the chemicals can be absorbed through the skin, or what happens to us when we breathe them, or consume them in our drinking water or in the food we eat. Higher levels of certain metals have been measured in the soil after chem trails. It is difficult to know which tests to use to test for all the chemicals which can be used.

Modern humans first appeared about ____ years ago.
A. 2 billion
B. 200,000
C. 20,000
D. 2 million

Answers

Answer:

200,000

Explanation:

I searched and it said 300,000, so thats my best guess.

Answer:

200,000 thousand years ago

Explanation:

if a control group is not included in experiment it would be difficult to

Answers

Answer:

find the right answer

Explanation:

if the control group is nit included in the experiment it would be hard to get the right solution(answer).

I think hopefully this helps.

How is photochemical smog formed?
emissions from factories are released into the air and react with other subs.
emissions from cars are released into the air and react with other subs.
when nitrous oxides react with water vapor
when carbon monoxide reacts with sulfur dioxide in the air

Answers

Answer:

oops 1234467890101112314

If someone helps me with this I am giving lots of points + brainiest!

If someone helps me with this I am giving lots of points + brainiest!

Answers

Answer:

The cold water isn't able to dissolve as much sugar as the hot water. Another name for the liquids inside the cups is a 'solution', when this solution can no longer dissolve sugar it becomes a 'saturated solution', this means that sugar starts forming on the bottom of the cup.

The reason the hot water dissolves more is because it has faster moving molecules which are spread further apart than the molecules in the cold water. With bigger gaps between the molecules in the hot water, more sugar molecules can fit in between.

Please help me with bio

Please help me with bio

Answers

Answer: C or D

Explanation:

Why do adult stem cells currently have fewer uses in therapeutic cloning than embryonic stem cells? A. Adult stem cells have more restrictions that prevent them from reentering the cell cycle at the G0 stage. B. Embryonic stem cells have longer telomeres and persist for much longer than adult stem cells. C. Adult stem cells may become any type of cell, whereas embryonic stem cells may only become adult stem cells first. D. Embryonic stem cells may become any type of cell, whereas adult stem cells may only become a limited number of cell types

Answers

Answer:

Embryonic stem cells may become any type of cell, whereas adult stem cells may only become a limited number of cell types.

(Answer D)

Did I bleed through my pants

Answers

Answer:

its possible

Explanation:

In order for molecule X to cross the plasma membrane of a cell, it must first bind to an integral membrane protein. The binding of molecule X to the integral membrane protein immediately causes a conformational change to the integral membrane protein, which exposes molecule X to the other side of the membrane where it is then released. What is this an example of

Answers

Answer:

Facilitated diffusion (passive transport)

Explanation

Facilitated diffusion is a type of passive transport mediated by transmembrane integral proteins that enable molecules and ions to move across biological membranes. Passive transport does not require energy (ATP) from the cell and occurs with a concentration gradient. Permeases are membrane transport proteins that bind to different substrates such as, for example, glucose, fructose and galactose. This binding triggers a conformational change in the transmembrane permease domains, thereby allowing substrate translocation across the membrane by passive transport.

When a population of snails experiences disruptive selection in terms of their shell patterns, which statement is most likely true?
1. Two different shell patterns are increasing in frequency, while the most common pattern is decreasing.
2. Two different patterns are combining into one very common pattern.
3. The frequency of the most common shell pattern is becoming higher than all other patterns.
4. The frequency of a new shell pattern is becoming higher than all other patterns.

Answers

Answer:

Explanation:

Deux modèles de coquille différents augmentent en fréquence, tandis que le modèle le plus courant diminue.

La sélection perturbatrice favorise les traits extrêmes, dans ce cas, deux modèles de carapace différents. En conséquence, la fréquence du motif de coque le plus courant diminue tandis que la fréquence des deux motifs différents augmente. Par conséquent, l'énoncé le plus susceptible d'être vrai est l'option 1.

One of the reasons you might struggle to lift a heavy object with your arm fully extended is because:_______.

Answers

Answer:

the overlapping decreases between the thin and thick filaments.

Explanation:

When w extend our hand or arm to the full and try to lift any heavy object, we are unable to lift the object inspite of applying all our force. We struggle hard to lift the object with our fully extended arm because when we extend our arm fully it decreases the overlapping of our thin and the thick filaments of our muscles which makes it difficult to lift. In other words, the resting length of our arm is the optimal length to generate force.

18
In the second stanza, what does the speaker call "Mines of gold"?
A.nectar from the flowers
B.colors of the flowers
C.height of the flowers
D.smell of the flowers

Answers

The correct answer is B.

In the second stanza, the speaker calls "Mines of gold" to the colors of the flowers.

The second stanza in the poem 'To the Cuckoo' by William Wordsworth talks about the beauty of flowers and the way they provide nourishment and food to the bees. "The "Mines of precious stones" refer to the beauty of the flowers and how they contain nectar, which is like gold to the bees as it provides nourishment to them. Therefore, the speaker calls "Mines of gold" to the colors of the flowers.

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What can cause thermal expansion that results in a change in the density of ocean water?

a climate change
b freezing temperatures
c weathering and erosion
d addition of sediments

Answers

Answer:

Explanation:

B because Thermal expansion is caused when seawater expands because of the higher temperature of the water. Since the oceans absorb heat from the atmosphere, when the atmosphere becomes warmer so will the oceans. Warm seawater has a greater volume than cold seawater.

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Which sensory receptors are involved in tasting something spicy?

A. Mechanoreceptors and taste buds
B. Sweet and salty taste buds
C. Thermoreceptors and nociceptors
D. Sour and bitter taste buds

Answers

I think it is C .............

Thermoreceptors and nociceptors are involved in tasting something spicy.

Capsaicin  the active ingredient in spicy food binds to a special class of vanilloid receptor inside our mouth called VR1 receptors. After capsaicin binds to these receptors, the sensory neuron is depolarized, and it sends along a signal indicating the presence of spicy stimuli.

What are the receptors?Receptors are chemical structures, composed of protein, that receive and transduce signals that may be integrated into biological systems.They are mainly composed of proteins, which bind to ligands and cause responses to the immune system. These receptors are found in various immune cells, including the B cells, T cells, stem cells and in monocytes.

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Which is NOT part of hemostasis?

Question 1 options:

Coagulation (blood clotting)


Vascular spasms


Platelet plug formation


Conversion of fibrin to fibrinogen

Question 2 (0.5 points)
A patient with type A blood is accidentally given a transfusion with type B blood. Answer the following questions. How will this affect the patient?

Question 2 options:

It will strengthen the patients immune system.


It will cause severe illness or death.


The patient will now have type AB blood.


The patient will now have type B blood instead of type A blood.

Question 3 (0.5 points)
A hematocrit of 45% would indicate

Question 3 options:

anemia.


45% red blood cells.


45% plasma.


polycythemia.

Question 4 (0.5 points)
Which white blood cell functions to kill parasitic worms and play a role in allergy attacks

Question 4 options:

monocytes


eosinophils

basophils


lymphocytes

Question 5 (0.5 points)
A patient with type A blood is accidentally given a transfusion with type B blood. Answer the following questions. What antibodies does the patient with type A blood produce?

Question 5 options:

anti-A


The patient with type A blood would not produce antibodies.


anti-O


anti-B

Answers

Answer:

Explanation:

1. Conversion of fibrin to fibrinogin

2. It will cause severe illness or death

3. Polycythemia

4. Eosonophils

5.anti b

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