Answer:
Hard
Explanation:
it is hard because these are usually hard parts of an organism including shells, bones, teeth, woody trunk, stems, and branches.
Answer:
a
Explanation:
the water erosion breaks down the rocks
Answer:
He found that the planets do not all move at the same speed. (A)
Explanation:
Answer:
334.48
Explanation:
delta T = 4 degrees
m = 20 grams of water
c = 4.181 J / gram
E = 20 * 4.181 * 4
E = 334.48 Joules
Remember to change c to Joules / gram
4181 j / kg * 1 kg / 1000 grams = 4.181 j / gram
