Question

3
24 (1)
uses
do the other hand
Deforestation reduces rainfall on one hand and leads to floods on the other hand
Deforestation reduces
Comment
What is a red data book?
(ii)
SON
25 (i)
What are communicable diseases?
Why are antibiotics not effective against any viral disease?
(ii)
Why are un
26
Define the following:
Wildlife sanctuary
Biosphere reserve
Endemic species
27 (i)
(ii)
Draw a neat and well labelled diagram of a plant cell
Write one function of each of the following:
• nucleus
cell membrane
What is drag?
Differentiate between static and sliding friction.
Why is it easier to pull luggage fitted with rollers?
28(i)
(ii)
29(1)
What is nitrogen fixation?
Draw the nitrogen cycle in a sequential manner.
Why does the percentage of nitrogen in the atmosphere remain more or less constant?
(ii)
30(i)
Draw the map of an earthquake showing focus, epicenter and seismic waves.
Write four causes of tramore
i)​

Answer 1

Step-by-step explanation:

24(I) yes it leads to soil erosion and floods

25(ii) it is a book where all species are collected

25( I) the disease which can pass from one to another

antibiotics are not affected because they are in seen in our body