- PART A: Read the sentence from paragraph 2: "Churning currents in the molten rocks below propel them along like a jumble of
conveyor belts in disrepair." How does this sentence contribute to
the reader's understanding of the topic of the article?

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

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.

that scientist would be robert hooke

the answer is b.) hydrogen bonds between bases.