Which of the following statements best describes comets and asteroids? PLS HELP

A.

Both asteroids and comets have long tails.

B.

Comets are made from frozen ice, gas and dust; but asteroids are made from rock and/or metal.

C.

Comets orbit the sun, but asteroids orbit the moon.

D.

Both comets and asteroids are surrounded by a hydrogen cloud.

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.