hydrogen bond, nucleotides in a base pair complement each other which means their shape allows them to bond together with hydrogen bonds.
5cm
Explanation:
you have to divide 100cm by 20 sec
I believe the answer is Chlorophyll. During photosynthesis light energy from the sun is trapped by chlorophyll, it is then used to break down water molecules to hydrogen ions and oxygen gas. This represent the first stage of photosynthesis called light dependent stage. The hydrogen ions formed in this stage then joins the light independent stage (dark stage) and oxygen is released to the atmosphere or released to the atmosphere.
Veins is the correct answer