Earth's polar ice caps, sea ice, glaciers, snow cover, and permafrost make up
which sphere?
o
a. cryosphere
o
b. geosphere
o
c. atmosphere
o
d. biosphere

answer:

a. cryosphere

explanation:

the cryosphere is the frozen water part of the earth system.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.