Question

(1). the total number of atom a a constitution molecule is known as________.
(2). the captions are ________charged ions.
(3) energy from the Sun reached the earth by __________.
(4) the tiny pores present on the lower surface of the leaves that allow gaseous exchange called________.
(5). SI unit of heat is denoted by__________.
(6). in the exhaled air the approx percentage of carbon dioxide_________.
(7). the method of vegetative propagation where a scion is join ed to a stock is called _________.
​

Answer 1

Answer:

(1)

(2) positively

(3) solar energy

(4) Stomata

(5) Joule (J)

(6) 4%

(7) Grafting