Answer: Paleozoic
Explanation:
Not as many rocks existed from the precambrian era
Another name for unicellular organisms that dominated Earth up to the Precambrian time is prokaryotes. The correct answer is D.
Answer:
At the most basic level of biodiversity, climate change is able to decrease genetic diversity of populations due to directional selection and rapid migration, which could in turn affect ecosystem functioning and resilience (Botkin et al.
Explanation:
<em> </em><em> </em><em> </em><em>s</em><em>o</em><em>u</em><em>r</em><em>c</em><em>e</em><em>s</em><em> </em><em>f</em><em>o</em><em>r</em><em>m</em><em> </em><em>google</em><em>;</em><em>)</em>
<em>Hope</em><em> </em><em>it'll</em><em> </em><em>help</em><em>.</em>
Explanation:
The chemicals are contaminant in the ground water system and they can inflict serious health hazards on humans when water is sourced from such polluted ground water system.
- Consuming contaminated water can lead to cholera and diarrhea.
- It makes ground water toxic and poisonous.
- Drinking contaminated ground water can lead to the introduction of heavy metals in the body.
- Chemical wastes containing radioactive materials can damage body tissues.
- They render ground water unsafe for drinking ans usage.
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Air pollution brainly.com/question/10743354
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Answer:
Scientists need instruments to measure the world. Instruments and sensors are needed to collect data - that takes engineering to design and build them.
Explanation:
