D. Made of ash and pieces of rock rich in silica.
Should be your answer!
You must pack food that has high concentrations of fat and protein. Food like granola bars and canned meat are a good source of energy and heat. This is because the body breaks this food down easily converting it into usable energy. Though some people would suggest that you pack food that are high in carbohydrates, fats and proteins are long-term sources of energy that you would need for your hiking trip.
Liters because liters are larger than milliliters.
Answer:
D. Adenine and Thymine form hydrogen bonds, while cytosine and guanine form covalent bonds.
Explanation:
I majored in Biology
