<span>it's colder the higher you go, a big body can retain heat better</span>
Answer:
B(sperm production)
D(appearance of secondary sex characteristics)
Explanation:
Molecule, organelle, cell, tissue, organ, organ system, organism, community, population, ecosystem, biosphere
They produce narrow-band high-frequency sound to help them navigate in water. These high-frequency sounds are used in echolocation. Echolocation is used to identify and locate prey and also avoid the predators. Marine mammals like whales and dolphin use echolocation in different manners.
Answer:
D
Explanation:
we all need that all of then helps to increase erosion rates
