Fertilizers: a). are used to kill insects b). can increase crop yields by killing weeds c). supply plants with nutrients and minerals d). are only used with hybrid plants

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !

How might this scientific phenomena be explained? a paper clip floats on water.