Answer:
the answer is A. they are essential to life on Earth
Explanation:
Answer:
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Explanation:
In the early 1800's a system for naming geologic time periods was devised using four periods of geologic time. They were named using Latin root words, Primary, Secondary, Tertiary and Quaternary. ... Keep in mind that this chart is focused on geologic time periods. There are also geologic Eons, Eras, and epochs.
Answer:
Silver halide or silver salt is mostly used in photographic films
Explanation:
Silver halide crystals in gelatin are coated onto a film base, glass or paper substrate. And when a sliver halide crystal is exposed to light (photons strike) it turned into a small speck of metallic crystal and these comprise the invisible or latent image which is developed afterwards.
A strain on the body or mind is the BEST definition of stress.
- Stress can be defined as a deep feeling of emotional (mental) and/or physical tension that has a negative effect on the person.
- The most common symptoms indicating that one person is suffering stress include frustration, anger, and nervousness.
- Stress is caused by different problems between specific mismatch appraisals and abilities that has a person.
In conclusion, a strain on the body or mind is the BEST definition of stress.
Learn more about stress here:
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