Environmental Science - Study Mode

[#221] _________ element had guided the earlier navigators to keep them on right path.
Correct Answer

(A) Magnetite

Explanation

Solution: Magnetite element had guided the earlier navigators to keep them on right path.

[#222] Heat is energy in the process of being transferred from:
Correct Answer

(A) Hot objects to cold objects

Explanation

Solution: Heat is energy in the process of being transferred from one object to another because of the temperature difference between them. After heat is transferred it is stored as "internal energy" which is the total energy stored in the molecules.

[#223] Which one is true?
Correct Answer

(B) symbiosis when the interaction is useful to both the populations

Explanation

Solution: Symbiosis when the interaction is useful to both the populations.

[#224] A population is a group of
Correct Answer

(A) individuals in a species

Explanation

Solution: A population is defined as a group of individuals in a species. Hence they can interbreed and include organisms in a geographical area. The total of all populations is called a universe.

[#225] Rising air cools by this process:
Correct Answer

(A) Expansion

Explanation

Solution: Clouds form when moist, warm rising air cools and expands in the atmosphere. The water vapor in the air condenses to form tiny water droplets which are the basis of clouds.