Which statement best describes heating by radiation? A. Air molecules touch the warm ground, heating them up.

B. Warm air rises and takes heat with it; eventually it cools and sinks.

C. Air at the equator rises and sinks at the poles.

D. Sunlight travels through space without the aid of fluids or solids.

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Suppose that b. madurai is commonly collected in freshwater areas near boat harbors and marinas but is haraely found in pristine waters. first, design an experiment that tests an adaptation of b. madurai to some aspect of its environment. in your design, be sure to include a question to test, a hypothesis, and a plan for how you will collect and analyze data.

Translation begins when in the cytoplasm attaches to a