Answer: Oxygen
Explanation: Oxygen is the gaseous by product of photosynthesis.
Carbon dioxide + water + energy from light produces glucose and oxygen.
Sunlight energy.
6CO2 + 6H2O ------> C6H12O6 + 6O2
the excess oxygen they produced during photosynthesis is contributed directly to the oxygenation of the Earth.
GENE
Genetic variation determines inherited differences between individuals . Our height or eye color are inherited from our parents, but our phenotype is also affected by environment such as the food we eat (diet), drugs we take, toxins surrounding us, climate, location, culture, physical accidents and lifestyle.A person may inherit a gene to be tall, but poor diet during childhood may cause stunted growth.<span>A Plant may have the potential for strong growth, but if the soil does not have sufficient minerals, the plant may hardly grow at all.</span>
Deep inside the core of the sun, protons can collide into eachother with enough speed that they stick together to form a helium nucleus and generate a big amount of energy at the same time.
He would become shaky and his heart would begin to race/thump.
