Does the size of oxygen molecules and carbon dioxide molecules support the claim that masks that block a viral particle will also block the passage of oxygen and carbon dioxide molecules? Explain your reasoning.

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

One or more substances changing into one or more substances is an example of a

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.