What cannot be changed by turning 100 grams of ice into water?
a. mass
b. phase
c. volume
d. density

A

Explanation:

the mass will not change by changing the state of H2O from solid ice to liquid water. The volume will change and the density will change as a result of the volume change and the phase also changes from solid to liquid

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary