Answer:
Wht are the answer choices
Explanation:
The mass of a star can be determined by studying D) binary star systems.
Although there may be other ways to determine the mass of a star, this is the most common one which is widely used all over the world when it comes to measuring objects in the universe.
Decomposers are very important in our ecosystem, they are responsible for breaking down decaying bodies to transform into nutrients. Without decomposers, plants will not be able to get enough nutrients that it needs to grow
Anaerobic respiration<span> is in muscles. Glucose is not completely broken down, so much less energy is released than during </span>aerobic respiration<span>. There is a build-up of lactic acid in the muscles during vigorous exercise. The lactic acid needs to be oxidised to carbon dioxide and water later.</span>
James B. Connolly of Massachusetts was the first modern Olympic champion to be rewarded with a silver medal. He represented the Suffolk Athletic Club
