Question

1. The presence of water vapour and
carbon dioxide in the atmosphere
a. makes respiration easy
b. helps trees to prepare their food
| c. helps in maintaining the
temperature on Earth.
d. helps in maintaining the optimum
oxygen level​

Answer 1

Answer:

Option b. helps trees to prepare their food

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Answer 2

Explanation:

characterized as being rich in water vapour and carbon dioxide. ... …the atmosphere—the so-called greenhouse gases: water vapour, carbon dioxide, and methane. Without these biogenic greenhouse gases, Earth would be 33 °C (59 °F) colder on average than it is.