A plane is two dimensional and has infinite length and width. So, it contains infinite lines. Ray is a defined term in geometry. Hence, a plain contains the parallel lines.
The answer is B. This is because conduction and convection are only known to be on earth. But, radiation happens beyond earth by the suns rays which heats up different objects such as Venus.
A.) Genetic drift occurred; the few individuals left behind were the seals that passed on that specific gene pool.
B) cells.
The hierarchy is as follows: atoms<molecules<cells<tissue<organs (<organ systems<organisms)
I think it’s A. By preventing plastic pollution, marine animals will live in a more cleaner and plastic free environment
