Explain how every object in the universe is part of a larger system.

How does non renewable energy provide us more energy than renewable energy?

Why are channels through membranes so important for nerve and muscle function? both nerves and muscles rely on the rapid transmission of information and of signals for movement.

What moderates weather so that highs and lows are less extreme?

An igneous rock has small, dark crystals. Which statement also accurately describes this rock

Which of the following distinguishes a prokaryotic cell from a eukaryotic cell? the presence of a nucleus the presence of a cell membrane the ability to interact with the environment the ability to reproduce

The blood in the lungs contains less oxygen and more carbon dioxide than the air. explain why oxygen moves from the air to the blood and carbon dioxide from the blood to the air

What do all plant life cycles have in common?

What Happens when a ATP loses a phosphate group

What is the primary storage form of carbohydrate in the body?

Why are algae considered to be the ancestors of land plants?