Answer: I'm in no way like an expert but I've heard water goes from an elevated area to a lower area. So it should be arrows that start at a more elevated to less elevated. Like white to brown, and orange to yellow, and stuff like that. I hope that helped? Anyway, have a lovely day!
Explanation:
Answer:
14
Explanation:
there are 14 electrons in the shells
the mass in grams of one mole substance is the molar mass of the element
Echolocation helps animals underwater communicate and locate each other
beluga whales use it
