By listening to radioactive waves
The first sighting of a crescent moon after a new moon
<span>a form of natural selection in which individuals within certain inherited characteristics are more likely than others to obtain mates.</span><span>all the alleles for all the loci in all individuals of a population
</span>
Well the <span>blood returns from the cardiac tissues to the right atrium because
the blood goes through the tricuspid</span> valve and into the right ventricle then the right ventricle makes the blood go to the lungs and thats where the oxygen is at then the blood goes through organs and tissues then gets to the heart through the veins and a vein named the vena cave has the blood return to the right atrium.
Answer:
Enzymes affect reactions in living cells by increasing the pH of the reactants to speed the reaction. increasing the activation energy and slowing down the reaction. lowering the temperature of the surrounding to help slow the reaction. lowering the activation energy and increasing the speed of the reaction.
Explanation:
