What is the process of breaking down food so that it can be used by living things?

How many moles in 1 teaspoon of sand, chalk, sugar

What Element is named for the inventor of dynamite

How does a atom form a new substance?

What is a chemical symbol

A substance that will burn is called a (n)

All organisms need energy from food in order to survive. Plants produce their own food through photosynthesis. Animals must find external sources for food. Which of the following is true? A. Plants are autotrophs, and animals are heterotrophs. B.

What is effective nuclear charge of S2 - and S? Does the Zeff differs from ions and atoms of the same element.

You live 15.0 miles away from a shopping center and wish to calculate the distance in feet. There are 5280 ft in one mile

What is shielding effect?

If you stand up in a rowboat and take a step towards the dock, you may fall in the water. Explain what happens in this situation. How is it similar to what happens when you take a step on land? How is it different?