Which is an example of a cognitive milestone? A.

Climbing stairs holding onto a rail

B.

Controlling a spoon while eating

C.

Stacking rings by size

D.

Experiencing rapid mood shifts

Which of the following identifies the main culprit for america’s increasing weight gain?

Arm circles are often effective dynamic stretches for swimmers because they

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.