Question

Make any 2 questions and answer them with two or three sentence each

Answer 1

Answer:

1-

what do u understand by the word rhombus?

is a parallelogram in which all sides are equal.. and all rhombus are parallelogram....

2-

write down the properties of parallelogram.

(i) In a quadrilateral opposite angles are equal then it is a a parallelogram.

(ii) In a diagonal of it bisect each other

(iii) If in a quadrilateral diagonal of it bisect each other then it is a parallelogram

Answer 2

Explain why is irrigation necessary?

Ans:Irrigation is necessary as because of following :-

I) Irrigation before ploughing the fields makes the soil soft due to which the ploughing of fields becomes easier.

Ii) Irrigation is necessary for the absorption of nutrient elements by the plants from the soil.

What do you mean by nitrogen fixation?

Ans:The process of converting nitrogen gas of atmosphere (air) into compounds of nitrogen (which can be used by plants) is called nitrogen fixation.

Step-by-step explanation:

Hope it helps....