Preschoolers can draw: A) Recognizable human figures with two to four parts.

B) Complex pictures.

C) Scribbled lines.

D) Simple circles and dots.

E) Their name

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?