<span>a)Stem cells must always be provided by a donor who is financially compensated.</span>
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Each layer has a different temperature range and contains different mixtures of gases and moisture. Human activities on Earth's surface can create changes in the atmosphere. Pollution, acid rain, and holes in the ozone disrupt how the atmosphere normally functions.
Answer:
There are many features that make bacteria survive in harsh conditions. Bacteria are found almost everywhere. There are various types of features found in bacteria. They can survive in harsh conditions because of the energy-generating enzymes, protein synthesis mechanism, biodegradative enzymes, and cell membranes. This adaptation helps them to survive in extreme conditions.
Explanation:
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