Marcus is taking a hiking trip in the mountains. he sees long scratches on the rock walls. the area was most likely eroded by a

1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?

What causes the phospholipids to organize themselves the way they do

Ineed a little . why do you think there is a basic difference between the kinds of fertilization most common in aquatic and terrestrial animals?