What kind of bond causes water molecules to be attracted to one another?
a)polar covalent
b)ionic
c)hydrogen
d)metallic

What was the land like over 500 million years ago? what was under the sea?

Draw the structure of dna nucleotide with adenine as nitrogenous base

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe