The part labelled X in the soil profile is known as
top soil
sub soil
parent materials
bedrock
Correct answer is D
The part labelled X is called the bedrock. It contains solid parent rocks.
Field capacity
capillary water
gravitational water
hygroscopic water
Correct answer is A
Field capacity is the type of water left in the soil after excess water has been drained off, following heavy rainfall. This water is available to all plants.
Where the salinity of an ocean is high;
the ocean water is dense and flows at the ocean surface towards a low salinity area
the ocean water is dense and creeps at the bottom of the ocean towards low salinity areas
the ocean water is light and flows at the area surface towards a high salinity area
the ocean water is light and flows at the ocean surface towards a low salinity area
Correct answer is B
Salinity is one of the causes of ocean currents. Where the salinity of an ocean is high, the ocean water is dense or heavy and creeps(or moves) at the bottom of the ocean to low salinity areas.
On maps, lines drawn to join all places in the ocean having equal degree of salinity are called
isohalines
isobars
isosalines
isossal
Correct answer is A
Isohalines are lines drawn on maps to join all places in the ocean having equal degree of saltiness or concentration of salt or salinity
Which of the following processes leads to the loss of carbon from the air
combustion
respiration
putrefaction
photosynthesis
Correct answer is D
carbon dioxide is removed from the air during photosynthesis as green plants use it to manufacture their food
JAMB Subjects
Aptitude Tests