Jenny is learning about the importance of the ozone layer. she was upset to know that there is a depletion of the ozone layer and human activities are adding to it. while she decides to spread awareness on the effects of pollution and reasons to curb it, she cannot do anything about the natural process of ozone depletion. what is the natural process that is causing the depletion of the ozone layer? a. one that ensures ecological balance. burning of fossil fuelc. uv rays reacting with the o2 molecules. carbon cycle. oxygen cycle

Why is it incorrect to say that mitochondria function only as energy factories with cell

Involving transcription and translaton. explain the causes and effects of damage to the genetic code.

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.