Why does DNA replication need to occur?

Which atmospheric conditions would cause the greatest rate of evaporation from a lake? high temperature and low humidity low temperature and low humidity low temperature and high humidity high temperature and high humidity

True or false Earth's crust sits on top of the mantle.

What is the most common infectious disease in the United States? a. the common cold c. pneumonia b. the flu d. strep throat

Which is the best indicator of a population's health and nutritional status? A) number and causes of death B) gender of newborn babies C) number of government food programs D) number of low-birth weight infants

What organelle releases energy in the cell

How are karyotypes used to determine the presence of genetically inherited chromosomal disorders?

Arrange these energy sources from highest to lowest percentage of worldwide use. 1. Petroleum 2. Nuclear power 3. Wind power

Which of the following is a species? a. A monophyletic group of beetles who share a common ancestor and can be distinguished from the most closely related group of beetles b.

What other questions do you have about formation of earth's surface features.

In what part of organic compounds is energy stored?