Question 4416:

• JAMB 2021

Which of the following processes leads to the loss of carbon from the air

A. Combustion
B. Combustion
C. Putrifaction
D. Photosynthesis

Question 4417:

• JAMB 2021

On maps, lines drawn to join all places in the ocean having equal degree of salinity are called

A. Isohalines
B. Isobars
C. Isosalines
D. Isossal

Question 4418:

• JAMB 2021

Where the salinity of an ocean is high;

A. The ocean water is dense and flows at the ocean surface towards a low salinity area
B. The ocean water is dense and creeps at the bottom of the ocean towards low salinity areas
C. The ocean water is light and flows at the area surface towards a high salinity area
D. The ocean water is light and flows at the ocean surface towards a low salinity area

Question 4419:

• JAMB 2021

The type of water left in the soil after excess water has been drained off, following heavy rainfall is known as

A. Field capacity
B. Field capacity
C. Gravitational water
D. Hygroscopic water

Question 4420:

• JAMB 2021

The part labelled X in the soil profile above is known as

A. Top soil
B. Sub soil
C. Parent materials
D. Bedrock