Answer:
D
Explanation:
Icebergs form when chunks of ice break off from glaciers
False. Plants play a huge role in shaping the environment and ecosystem.
Certain changes in a plant or animal could cause unpredicted allergic reactions in some people which, in its original form, did<span> not occur. Other changes could make an organism toxic to </span>humans<span> or other organisms. These concerns range from ethical issues to a lack of knowledge on the effects </span>genetic engineering<span> may have.</span>
A mutation is a new element added to the genetic buildup of an organism. this leads to new abilities that makes that organism adapt to different things, this is passed down through the organisms descendants which will help them get through situations other organisms can't, thus helping the entire species evolve.
