A student studies photosynthesis and cellular respiration in plants. He observed that 15 grams of glucose and oxygen is produced. Explain which process he observed and how much of the reactants were needed to create the 15 g of glucose and oxygen

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

The negative impacts of nonnative species generally outweigh the positive impacts