Why does a fossil record contain gaps or is not complete?

Explain why recycling cans, bottles, and paper is a way to promote sustainability.

Astronomers study radio waves to learn about the universe. Why might radio waves be used to study objects in space? They are sound waves that cause vibrations in stars and planets.

What is an example of the human body keeping blood sugar levels within a fairly narrow range despite the intake of meals high in carbohydrates

How do messages travel from one neuron to another

How many body cavity are there in human body?

Which is an example of mimicry? a. Fire Salamander squirting toxin at a predator b. the Viceroy Butterfly looks like the Monarch Butterfly c. A chameleon that changes color to blend in with a plant d. bear that hibernates during the winter

The parts of the cell that are common to all eukaryote cells are: -A cell membrane and cytoplasm -A nucleus and a cell membrane -Cytoplasm -A nucleus, cell membrane and cytoplasm

When an animal loses a lot of blood, what do baroreceptors tend to signal to the animal?

3 ways in which the female pelvis is different from male

Which of these choices is the main threat to the survival of polar bears?