Why do athletes often eat lots of carbohydrates the day before a competition?

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

How do cells grow and reproduce to maintain homeostasis?

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?