The pH scale measures the concentration of how acidic or basic something is. The lower the number below 7, is acidic. Above 7 is basic. 7 is waters purest form.
C.) 45 AND 75............
A) There is 3/4 (75%) chance that the offspring will have freckles.
Answer:
photosynthetic organisms
Explanation:
These are autotrophs organisms that use carbon dioxide and water, and with the help of solar energy, they produce nutritive material and release oxygen.
This is known as the process of photosynthesis and it is done in the organs of the plants that contain chloroplasts.
