♡ Login
Home
Previous Papers
★
MCQs
General Science
Everyday Science
The amount of oxygen in the atmosphere ...
Que.
The amount of oxygen in the atmosphere remains relatively constant because it is given off by-
A.
Animals
B.
Plants
C.
Rocks
D.
Oceans
Right Answer is :
✓ B. Plants
⚑ Report
Views 👍 :417
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Blood is a ...
➣ Plants are green because of the presence ...
➣ which one is a viral disease ...
➣ The most suitable vessel for storine ...
➣ Glycol is added to aviation gasoline because ...
➣ which of the following is the first ...
➣ What is the most common salt in ...
➣ Hydraulic machines work under the principle of- ...
➣ Aspirin is chemically known as- ...
➣ The wire of flash bulbs is made ...
❖ Take a qick MCQ Test on
➤ Inventions and Discoveries
➤ Research Institutions
➤ Scientific Instruments
➤ Various Sciences
➤ Miscellaneous
➤ Computer Awareness
➤ Environment Science
➤ Everyday Science