Answer:
It is made up of protons and neutrons
1. 25% which is bb
2. All living things are made of cells
3. Grams, mass
Hope that helps.
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
Option C. Organisms were probably more complex during past eras.
Answer:
To have the right procedure of being a professional scientist
Explanation:
There are steps which need to be taken for your experiment to be complete
