Question

(b) Explain the following terms:
(1) Kidneys
(iii) Voluntary actions
[5]
(ii) Crossing over
(iv) Particulate pollutants​

Answer 1

Answer:

kidney- it is the excretory part of the body, bean shaped used in purification of blood.

voluntary action- it is the action which are controlled by us.

crossing over - it is the the crossing over of chromosomes on each other.