Explain how changes in Earth’s systems affect the growth of life on Earth. Its a mini writing so maybe like 4 or 5 sentences!

Hector is back from his morning run and is feeling lightheaded because his energy is depleted. which food item will provide him with a quick source of carbohydrates? a. fruit juice b. tuna fish c. scrambled eggs and butter d. beans

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.

Free brainliest! what is a characteistic of the american stradfordshire?