plz help will mark brainliest if correct answer only
21: True or false
22: true or false
23: true or false​

Answer:

21: false

22: true

23: true​

Explanation:

I need help with this

plz help will mark brainliest if correct answer only.



24: True or false
25: Ture or false​

Red beryl is one of the rarest minerals in the world. Because it is so rare, red beryl is about 1000 times more valuable than gold. Read the passage that describes how red beryl forms. Use the information to draw an inference about why red beryl has been found in only four places on Earth.


It takes several steps for red beryl to form. First, a volcano with lava rich in topaz rhyolite erupts. Volcanoes with this type of lava have been found only in the United States, Mexico, Russia, and Mongolia. If the lava cools at just the right speed — not too quickly and not too slowly — it will shrink and form large gaps. The gaps fill with hot volcanic gases rich in beryllium, a rare element. Over time, surface water seeps into the cracks and reacts with the gases, forming red beryl crystals.

There was snow and a 25 mph wind on Monday. On Tuesday, there was rain and a 10 mph wind. Which changes to the weather components most likely caused the changes in weather?


A) The temperature of the air increased, and the difference in pressure between the low pressure and the high pressure systems became small.
B) The temperature of the air increased, and the difference in pressure between the low pressure and the high pressure systems became large.
C) The temperature of the air decreased, and the difference in pressure between the low pressure and the high pressure systems became small.
D) The temperature of the air decreased, and the difference in pressure between the low pressure and the high pressure systems became large.

In a nuclear power plant, heat is used to change water into Fill in the blank text field 1, which then turns Fill in the blank text field 2 to produce energy.

Science is painful I will give brainily to the correct answer :D

A pine tree is between the seedling and adult stages. What would you expect to notice when observing this plant?

-The plant grows more needles, and the stem gets thicker and stronger.
-The plant has a soft stem, and the roots of the plant begin to grow.
-The plant is ready for reproduction, and the embryo produces food.
-The stem of the plant sprouts, and a new plant begins to grow.

Cellular Process Explain How the Process Assists in Maintaining Homeostasis for each word
Cellular Respiration

Cellular Reproduction

Waste Removal

From Cell

What happens to matter that is used up during photosynthesis?

It retains its form and mass.
It retains its form but increases in mass.
It changes to a new form of matter with less mass.
It changes to a new form of matter with the same mass.

Calvin goes for a walk outside and begins to sweat. His sweat will not evaporate. What is the most likely cause of this?
A) A wind speed of 40 mph
B) An air temperature of 7 °C or 45 °F
C) A strong northerly wind
D) A relative humidity of 95%
Science

PLEASE HELP 20 POINTS

giving Brainly to the correct answer.

Explain how natural forces and human effects affect the observed global temperature (black line) in graph 2. Is solar radiation a natural force or a human effect?

Which statement best describes the process of evolution?
a. Populations can survive in different locations on earth
b. Environmental conditions limit the number of species on Earth d. The traits of a species can change over time
c. Populations grow when resources are abundant
d. The traits of a species can change over time

The attatched image has the questions, Zoom in to read if necessary.

IF ANSWER ISN'T APPLICABLE I WILL REPORT YOUR ANSWER

best CORRECT answer gets brainliest

The great Rift Valley in Africa is a land feature on earths surface caused by the movement of crystal plates. Continued movement of the plates is gradually making the rift deeper. How are the plates around the great Rift Valley moving?

Cellular Process Explain How the Process Assists in Maintaining Homeostasis for each word
Cellular Respiration

Cellular Reproduction

Waste Removal

From Cell

can someone solve this? I really need help

Stephanie notices that it is starting to get windy outside. The wind is moving from the north to the south. What is the cause of the wind?
A) There is high air pressure in the south and low air pressure in the north.
B) The air pressure is low.
C) The temperature of the air is above zero.
D) There is high air pressure in the north and low air pressure in the south

Do you think these crystals formed in conditions that were stable or that changed often? explain?

someone please help me with the chart

The photo shows a boy and his parents. Which statement best explains why the boy looks different from his parents? He changed the sequence of bases in his inherited DNA.
A. He changed the sequence of bases in his inherited DNA.
B.
He inherited genes from both his father and mother.

C.
He received a gene mutation from both his father and his mother.

D.
He inherited an exact copy of the DNA of one of his parents.

Select an option for each scenario:

If the subject without diabetes eats a high-carb food such as the candy bar or orange smoothie, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.

If the subject without diabetes eats a low-carb food such as cheese or peanuts, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.

If the subject with type 1 diabetes eats a high-carb food such as the candy bar or orange smoothie, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.

If the subject with type 1 diabetes eats a low-carb food such as cheese or peanuts, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.

what are some examples of third-level consumers

¨When scientists approach a problem to solve, they will often start by gathering information. You and your friends decide to do the same. The park ranger helps out by giving you a map of the park with information about the surrounding areas.¨

1.What information can you get from this map that is relevant to the problem being solved?

2.What further information do you need to gather to solve this problem? What investigations do you think you should conduct in order to test your predictions?

3.Based on the information you have gathered about the areas surrounding the pond, have your predictions about the cause of the algal bloom changed? Write what you now think the main cause is and the reasons for your new predictions.

Which substances are needed for cellular respiration?

Use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Mimicry is an adaptation that allows one organism to resemble another. For example, the harmless milk snake has the same three colored stripes as the deadly coral snake but in a different pattern. What benefit does the adaptation of mimicry provide? *

A. increases strength
B. allows them to hide
C. scares away predators