How does water vapor release energy into the atmosphere

a; precipitation b:evaporation c:runoff d: condensation

Which of the following has a nucleus? A.) Chloroplast B.) Bacteria C.) Yeast D.) Archaea

How do scientists know that earth's magnetic poles have reversed many times during history

What is the force that moves electrons in an electrical circuit

Which biome is commonly found near the equator?

Which of the following types of tracts are used to conduct nerve impulses between gyri within the same cerebral hemisphere? a) Association tractsb) Commissural tractsc) Projection tractsd) Mammillothalamic tractse) Stria medullaris

Which layer of soil is least likely to be penetrated by plant roots? a. O (organic matter) b. A (topsoil) c. B (subsoil) d. C (parent rock)

Describe the differences between a chromosome and a DNA molecule.

What role does oxygen play in a plants life?

Which measures the mass of an object? A) a spring scale (in N) B) a height scale (in feet) C) a graduated cylinder (in mL) D) a triple beam balance (in grams)

In his study of pea plants, Gregor Mendel used which method to produce offspring? O cross-pollination, by using parents that had identical traits O cross-pollination, by using parents that had different traits O self-pollination, by using one parent