Biology Middle School

Which of the following is a substance?

A) smoke
B) salt
C) granite
D) brass

Answers

Answer 1

Answer:

B) salt

Explanation:

It is considered a substance because it has a uniform and definite composition.  Salt easily dissolves in water, but salt water cannot be classified as a substance because its composition can vary.

Hope this helped!!!

Related Questions

Tell me a tertiary consumer that lives in streams or rivers. Tertiary consumer is an animal that eats other animals. this is how it will be:
producers --> primary consumers --> second consumers --> tertiary consumers.
This is a major grade, please help

Answers

Answer:

l don't know l just forgot

What is the difference between an endoskeleton and a exoskeleton? What types of animals have each?

Answers

Answer:

an endoskeleton is a skeleton on the inside of a living creature. look at endo like enter, its on the inside! an exoskeleton is on the outside of a living creature. think of exo as exit, its on the outside! animals with endoskeletons are like dogs, cats, fish, and raccoons. animals with exoskeletons are like spiders, ants, crabs, and snails.

please give brainliest :)

Why does the moon appear to change its shape as seen from earth?

Answers

D.
Different parts of the sun lit moon become visible as the moon revolves around earth

This happens because as the moon orbits earth the sun will project light towards it and the reason it seems to glow is because of the reflected light since the moon is white it reflects more light. Think of it as a day and night cycle except it’s on the moon when it becomes night on earth the part of earth facing towards the sun will be lit aka day/morning/afternoon etc
The part of the earth facing away will be dark aka night/midnight/etc.
D because as the moon revokes it goes around earth to every state and it takes 12 hours in our time for it to get to us.

How would an animal feel after they hibernate?

A:Tired
B:Fat
C:Hungry
D:Warm
Please don’t do links and please try YOUR best I won’t be angry if u get it wrong at least u tried ur best thank you

Answers

Answer: Hungry

Explanation:

They've just slept for months, they haven't eaten

When its central nervous system sounds the alarm, a hibernator starts to shiver.

I’m guessing C...

This back-and-forth is exhausting, and hibernators do it with little to no food and water.

How is information passed between neurons in the body?
A. through impulses
B. through motor neurons
C. through interneurons
D. through sensory neurons​

Answers

Answer:

The place where the axon of one neuron meets the dendrite of another is called a synapse. Neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron. Neurotransmitters bind to the membrane of the dendrite. The binding allows the nerve impulse to travel through the receiving neuron.

Explanation:

Answer:

D. sensory neurons

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