As water molecules move through the hydrological cycle, water both gains and loses energy. What is the main source of energy that drives the hydrological cycle?

1. The sun

2. Tides

3. Evaporation

4. Wind

Genes involved in the production of abnormal red blood cells have an abnormal sequence of

What is the relationship between an object's distance from the sun and its period of revolltuion

Name the covalent compound for CCl4

How does an area qualify as a biodiversity hotspot?

Which of the following would be best describes by a mathematical equation? scientific theory, a belief, scientific law, or hypothesis

A) What are the bases of mRNA coded for by this section of DNA before the mutation? Hint in RNA A pairs with U.

How does secondary succession differ from primary succession? It begins where no plants have grown. It begins on bare rock or land. Soil nutrients are already in place. Lichens and mosses form soil first.

True of False? The structure of the cell membrane is what allows water and other molecules to move in and out of cells.

Dolphins and fish have similar body shapes. isthis feature more likely a homologous or analogoustrait?

Which of the following is not a phase of gastric secretion? A. cephalic B. gastric C. intestinal D. enterogastric