Few fossils of the earliest animals exist because they (1 point) had hard shells that broke down easily, leaving no trace. were large and likely to be eaten by others after they died. were soft-bodied and tiny, therefore, unlikely to fossilize. lived only in volcanic regions, and were destroyed by lava flows.

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars