Question

fill in the blanks
1. nitrogen fixation occurs during -----------------
2. distilled water is an ----------------------------
3 iron lends to ----------------------and----------------------
class 8

Answer 1

Answer:

1.lightening

2.poor conductor of electricity

Answer 2

1) BNF

2) purified water

3)Animea , hemoglobin

Explanation :

1) Biological nitrogen fixation (BNF) occurs when atmospheric nitrogen is converted to ammonia by an enzyme called nitrogenase. ... Many nitrogen-fixing organisms exist only in anaerobic conditions, respiring to draw down oxygen levels, or binding the oxygen with proteins.

2) Distilled water is a type of purified water. Salts, minerals, and other organic materials are removed by collecting the steam from boiling water.

3) Your body needs iron to make hemoglobin, a protein in red blood cells that enables them to carry oxygen through your blood vessels. If your body doesn't have enough hemoglobin, your tissues and muscles won't get enough oxygen to be able to work effectively. This leads to a condition called anemia.

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