samantha plants some flowers in a flower bed and then ingores them. soon weeds grow and the flowers die. The weeds had been able to get enoguh respurces to survive whole the flowers had not. this is an example of?

What are two ways in which waves erode the land?

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?