carbon: petroleum, coal
oxygen: ice, water, human body
Answer:
A. a year that was cool or dry
Explanation:
No image is attach which means there is no model to be referenced from
Answer:
A — is a chemical substance that organisms require to live
NUTRIENT
Explanation:
A nutrient is a chemical substance required by living organisms to live. These nutrients can either be organic or inorganic, but basically either organic or inorganic are required for existence. this esential nutients are
- lipids
- protein
- carbohydrates
- vitamins
- Minerals
- water