How many atoms of the element hydrogen are there for each atom of oxygen in the compound we know of as 'water'? a. 8
b. 4
c. 1
d. 2

Dna is colied into chromosomes in a cell

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?