A 16 N net force acts on a 4 kg rock. What is the acceleration of the rock? * A )8 m/s2
B )12 m/s2
C )4 m/s2
D )64 m/s2

b. the carbon cycle ensures living things have a source of hydrogen

ya the other dude is right

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.