Answer:
1. P
2.P
3.R
4.R
.5.R
6.B
7.R
8..P
9.P
10..P
11.R
12.P
13.P
14.R
15.R
16.N
17.N
18.P
19.R
20.B
21. R
Step-by-step explanation:
Photosynthesis is a process in which carbondioxide gas react with oxygen in the presence of solar radiation produces oxygen and glucose. oxygen is released in the atmosphere while glucose s stored in different part of plant body while on the other hand in respiration, glucose is broken down in the presence of oxygen produces carbondioxide, water and energy in the form of ATP.