Answer:
1. Petrochemicals are compounds that are produced by plants ("phyto" means "plant"). They are found in fruits, vegetables, grains, beans, and other plants. Some of these petrochemicals are believed to protect cells from damage that could lead to cancer.
2. Antioxidant micronutrients considered in the study
The antioxidant micronutrients considered are vitamins A, C, and E, copper, zinc, and selenium.
Explanation:
1. moisture/water
2. precipitation
3. evaporation
4.transpiration
5. warmer, more
6. vaporization
7. condensation nuclei
The first known bird fossil date to the mesozoic era of time.
Explanation:
- The first known bird fossil is Archaeopteryx.
- Archaeopteryx were not exactly like modern birds and are called dinosaur like birds..
- Carbon dating suggest that these birds evolved during the jurassic period of mesozoic era.
- These are considered as the only birds of that era.
- Ancestors of modern birds began to evolve during cretaceous period and kept on evolving through Cenozoic era.
Answer:
They all include an exchange of gases with the atmosphere.
The carbon, oxygen, and nitrogen cycles are biogeochemical cycles meaning the chemicals spend a portion during the cycle in living things ( bio) and a portion in the nonliving environment
I would say d the snowshoe rabbit. shrews and red foxes are carnivores and trees are producers
