Question

1. What is a Pyrogen?
2.What is the scientific name of a Sydney Blue Gum?

3. Where is the largest known meteorite crater on Earth?

4. What causes an Aurora?​

Answer 1

1.Ans-A pyrogen is a substance that induces fever. These can be either internal (endogenous) or external (exogenous) to the body. The bacterial substance lipopolysaccharide (LPS), present in the cell wall of gram-negative bacteria, is an example of an exogenous pyrogen.

Answer 2

♠️ Hello mate

⏭️Answers

1.A substance that causes fever.

2.Eucalyptus saligna.

3.Vredefort Ring in South Africa, 299km diameter!

4.Charged particles from solar wind.

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