False. Offspring could die off from many factors such as disease, lack of food, and predators.
It rains or snows outside (precipitation)
Water that forms from a mixture of heat and cold (condensation)
The sun heats up the water and it turns to vapors and goes into the air
(Evaporation)
I am not to sure that I understand the question. But it would be impossible for an element to have an atomic mass less than it's atomic number...if it did then it would be a different element.
Homologies. These determine if there are any similarities. Such as the wings on a butterfly to a bird.
