Question

4. Define the following terms (any five):
i. Element
ii. Focal length
iii. Food chain
iv. Soil erosion
Short circuit
V.
vi.
Adaptation​

Answer 1

Answer:

I. element

Explanation:

that is the answer po

Answer 2

Answer:

1] An element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.

2] The distance between the centre of a mirror or a lens and its focus.

3] A series of living creatures in which each creature eats the one below it in the series.

4] Soil erosion is the displacement of the upper layer of soil; it is a form of soil degradation.

5] A bad electrical connection that causes a machine to stop working.

6] Adaptation is the physical or behavioural characteristic of an organism that helps an organism to survive better in the surrounding environment.