Did you know that many native american tribes used forest fires as a tool? setting fire to patches of a forest clear brush, provides foraging space for deer, and prevents much larger forest fires. this type of activity is an early example of

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

How many types of rock can form from the rock cycle

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.