Suppose a scientific team is trying to re-create the energy producing reactions that occur in the sun. what would they need for the experiments?

a. hydrogen atoms
b. hydrogen atoms, helium atoms, heat, pressure, and energy
c. helium atoms and energy
d. helium atoms and hydrogen atoms

One group of reptiles, characterized by the fossil ark metal x

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

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