The rate of decay of a radioactive element depends largely on environmental conditions, such as temperature and external pressure.

True

False

Water in the solid phase has a crystal structure which keeps molecules farther apart than water at certain temperatures in the liquid phase.

Which best describes genetic engineering?

If a theory is challenged by new evidence, which of the following couod occur? A. the theory could be altered B. the theory is accepted, not the evidence C. the evidence is wrong D. a vote is taken to accept new evidence

What are some consequences of urban sprawl

What is the purpose of biofertilizers? a. reduce pollution b. reduce insect threats c. reduce erosion d. reduce herbicide use

The speed of a sound wave a. is slower than an electromagnetic wave b. is faster than an electromagnetic wave c. is equal to an electromagnetic wave d. cannot be measured

Inner membrane of mitochondria evolved from

What would most likely happen to life on Earth if the carbon cycle stopped? Life would continue unchanged. Life would conse to exist. Only plants would be affected. Only animals would be affected.

Based on the pattern of nutrition, all animals are classified as?

What happens during m phase of the cell cycle