Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
Answer:
Describe how oxygen gas is produced during photosynthesis?
Photosynthesis entails the reaction between carbondioxide and water which gives glucose and evolve oxygen
Explanation:
<span>Identical twins are the result of an egg being fertilized by one sperm and then splitting, creating two eggs with identical genetic information. Non-identical twins are formed when two eggs are fertilized by two separate sperm and develop together in the uterus with unique genetic information.</span>