The convection shown in the diagram is powered by heat from which part of the the Earth? core, crust, ocean, sun.

Which of the following produces the largest amount of hazardous waste

Which zone in a lake would you expect to be dominated by emergent plants?

A certain widely distributed mammalian species remained unchanged for about 30 million years. Most members of this species lived on a fertile plain, but some members (that were less well adapted) survived in low numbers in the surrounding mountains.

Transgenic farm animals have not gained importance as sources of pharmaceuticals because

Who defined stress as, 'the response of the body to any demand, whether it is caused by, or results in, pleasant or unpleasant conditions'?

The difference in the concentration of a substance from one location to another is called a

Which statement is true about nitrogen and oxygen? A. They make up about 99.9% of the human body B. They are both used to make water molecules C. They are both made of protons, neutrons, and electrons. D. They both contain no subatomic particles

Time sensitive: What plants or herbs (or berries) calm snakes? need to know.

The hydrosphere is predominantly made of A. gaseous air. B. frozen water. C. solid rock. D. liquid water.

A patient has diabetes a disease that causes high blood sugar levels which macromolecule will a dietitian monitor most closely in a patient that has the disease