In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Human activities are changing Earth's natural greenhouse1. ______. Burning fossil fuels like coal and oil puts 2. ______ carbon dioxide into our atmosphere. NASA has 3. ______ increase in the amount of carbon dioxide and some other greenhouse gases in 4. ______ atmosphere. Too much of these greenhouse gases can 5. ______ Earth's atmosphere to trap more and more heat. This causes Earth to warm up.
Select the most appropriate option to fill in the blank No. 5.
In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Human activities are changing Earth's natural greenhouse1. ______. Burning fossil fuels like coal and oil puts 2. ______ carbon dioxide into our atmosphere. NASA has 3. ______ increase in the amount of carbon dioxide and some other greenhouse gases in 4. ______ atmosphere. Too much of these greenhouse gases can 5. ______ Earth's atmosphere to trap more and more heat. This causes Earth to warm up.
Select the most appropriate option to fill in the blank No. 5.
source
source
cause
cause
reason
reason
effect
effect
Correct Answer:
cause
cause
source- a place, perosn or thing where something comes or starts from or where something ins obtained.
cause- a thing or person that makes something happen.
reason- an expalanation for something that has happened.
effect- the result of something.
so option B cause is the most appropriate fit