Question

1. The practice of growing two or more dissimilar crops in the same field one after another is called
option::::::
(a) crop rotation (b) tilling(c) plantation (d) weeding

2. A box weighing 2kg exerts a force of 20 N on the ground. The box covers an area of 2m² on

the ground. The pressure exerted by the box on the ground is
option::::

(4) 10 Pa (b) 30 Pa (c) 40 Pa (d) 20 Pa

3. Which of the following effect is not produced by force?
option:::
(a) change in mass (b) change in direction (c) change in speed d) change in shape

4: Yeast is used in the production of
option::::::
(a) sugar (b) hydrochloric acid(c) alcohol(d) oxygen



5. It is also called orlon.

(a) Acrylic(b) PET (c) Rayon (d) Plastic



please tell me important

​

Answer 1

Answer:

2. A box weighing 2kg exerts a force of 20 N on the ground. The box covers an area of 2m² on

Explanation:

Answer 2

Answer:

huguuiiiiiiii8yguggigigogohigigigigigiv