Can physical changes be reversed? Explain.

Answer:

physical changes occur physically. Sometimes they can be reversed like melting of ice cube back to water.

The higher the _____, the more a sunscreen will protect skin from UV Rays.

Which fossil species was separated from the giraffe in the more distant past (longer ago)?

A certain type of frog reproduces sexually and has 36 pairs of chromosomes in each of its body cells. How many chromosomes are in each of the frog’s sex cells?

A. 9
B. 18
C. 36
D. 72

Answer asap. i suck at differenciating. i will give brainly!

Describe how heat is generated using one non-renewable resource such as coal, natural gas, or oil.

A pedigree chart is used to _______.

predict percentage of offspring with a trait
predict genotypic probabilities
track inherited traits through generations
identify the genotype of parents

What is life? What is our purpose?

Characteristics of Cell Division. Highlight the ones for Mitosis. Underline for Meiosis. Highlight/Underline if both Mitosis/Meiosis.

Goes through stages of PMAT (Prophase, Metaphase, Anaphase, Telophase)
Creates 2 Identical Daughter Cells
Has half the amount of chromosomes as parent cell
Produces gametes
Creates 4 Daughter Cells
Used for Growth and Repair
Has same amount of chromosomes as parent cell
Creates Diploid Cells
Creates Haploid Cells
Divides twice
Cytokinesis divides the cytoplasm equally between the new cells

Examine the table. In which of the following types of substances do sound waves travel the fastest?
A.
gases
B.
Sound waves travel at the same speed in solids, liquids, and gases.
C.
liquids
D.
solids

How do the rocks at Lake Mead support the theory of plate tectonics?

(pls help)

Organisms maintain their stability by responding to changes in their environments. If a rabbit is being chased by a predator, it will respond by running away. Running away from danger helps keep rabbits alive in an environment with predators. The approaching predator is an internal stimulus that causes a rabbit to run away. true or false

Is this the correct answer to this question?
Simple yes or no: if no, please explain

Where do you think rain comes from?
Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain.

Julio is studying the evolutionary history of desert cottontail rabbits, sea otters, and grizzly bears. All three species share somebody structures, but all three also have some differences in their body structures. Below is a table that includes some of the body structures Julio is studying.


How could Julio explain why all three species share somebody structures and have some differences? Why do only grizzly bears and sea otters have canine teeth?

Help please ____ Write the direct source of energy for each organism

1. Kelp 2. Otter 3. Sea urchins

Please help these are due in an hour!! ;-;
1. A friend says there are two new moons during any given lunar cycle. Explain why you agree or disagree.
2. Calculate the number of days during any given lunar cycle when a waning crescent is visible. Show your work.
3. If a full moon is approximately Day 14 of the lunar cycle, what would the angle measure be for Day 22? Use your angle measure for a full moon to set up a proportion, and show your work and all units

What are the advantages of deforestation on rivers?

1.) The scientific name always consists of two words:

Group of answer choices

Genus and species

Family and species

Species and kindom

Domain and species

2.) Puma concolor is the scientific name for an American Mountain Lion, what is the species?



Group of answer choices

Puma

concolor

mountain lion

American mountain Lion

The quarter was so long, that he was more than once convinced he must have sunk into a doze unconsciously, and missed the clock. At length it broke upon his listening ear.

“Ding, dong!”

“A quarter past,” said Scrooge, counting.

“Ding, dong!”

“Half past!” said Scrooge.

“Ding, dong!”

“A quarter to it,” said Scrooge.

“Ding, dong!”

“The hour itself,” said Scrooge, triumphantly, “and nothing else!”

He spoke before the hour bell sounded, which it now did with a deep, dull, hollow, melancholy ONE. Light flashed up in the room upon the instant, and the curtains of his bed were drawn.

A Christmas Carol by Charles Dickens

What impact does the author’s use of repetition and sound devices have on the reader’s understanding of Scrooge’s character?
A. The use of repetition and sound devices help the reader better understand Scrooge’s anxiety and uncertainty.
B. The use of repetition and sound devices help the reader better understand Scrooge’s doubt and frustration.
C. The use of repetition and sound devices help the reader better understand Scrooge’s loneliness and solitude.
D. The use of repetition and sound devices help the reader better understand Scrooge’s ignorance and bewilderment.

1. All ____________ organisms are composed of ______ or _______ cells.

SOMEONE HELP ITS DUE SOON I NEED HELP WITH MY HOMEWORK!!
Observe each image of the Punnett square and list the three genotypes and the probability of each genotype occuring.

help me pls (no links or get banned)

Required The measure of the average thermal energy of a substance is * O heat O matter O temperature​

EXPERT HELP EXPLAIN THE ANSWER:

A scientist genetically engineered a grain cereal. The genetically engineered variety can produce its own vitamins and is drought resistant. What is the likely impact of growing such a cereal crop on the society?

May trigger an adverse climate change
May worsen the water crisis around the world
Would be beneficial for the malnourished population
Would increase the shortage of food around the world

Johanna is explaining to her friend how to determine the climate of an area. Which instruction is she most likely to give her friend
A) measure the highest and lowest temperatures in a particular year
B) find the average weather conditions over a period of many years
C) measure the weather conditions one day and compare them to other days
D) record the precipitation and the wind speed for several months
Thank you!

can u name this ? plssssssssssssssssss​

Hector drew the diagram below to illustrate projectile motion.

From one point, line labeled inertia points straight to the right, a line labeled gravity points straight down, and a line labeled path points down at an angle halfway between the 2 other lines.

How should Hector correct his diagram?

He should switch the labels “Gravity” and “Inertia.”
He should make the arrow for “Path” curve downward.
He should switch the labels “Inertia” and “Path.”
He should make the arrow for “Inertia” curve downward.

100 points +brainliest

Is the placement of the male and female gametes that important

What is osmosis? (Simple language)

Explain how cell division is linked to cell theory.