What chromosomes are found in pairs, one from the father and mother?

A. Haploid

B. Chromatids

C. Nonsister

D. Homologous

What do isobars represent on a weather map?

A man follows his girlfriend from his apartment to hers.

Students ask if convection currents are strong enough to move heavy objects. They use a fish tank and a toy boat that floats. Then they place the boat in the tank and watch it for 10 minutes. It doesn't move.

It is often argued that viruses are not living, why?

After eating a salty fish dinner you are very thirsty for plain water, a condition described as: A. intracellular thirst B. extracellular thirst C. primary thirst D. secondary thirst

Which species do Green Crabs consume

How does nuclear fission produce energy? A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy. Moving water turns turbines to produce electricity. Carbon atoms are bombarded by small neutrons.

Which is the first step in the scientific method

What type of organisms make starch & for what purpose

Dlaczego ryby i płazy mają skórę pokrytą śluzem?