Lesson 1: Impact Extinction Hypothesis

Question 1

Efrect of other celestial bodies on earth and outside the Earth

Answer 1

EXTRATERRESTRIAL

Question 2

Earth’s gaseous envelope

Answer 2

ATMOSPHERE

Question 3

Seas, lakes, rivers, underground water

Acid precipitation

Answer 3

HYDROSPHERE

Question 4

Domain of the Earth

Examples are
1. Disruption of the food chain/ web
2. Cooling cause of glaciers to melt
3. Climate change

Answer 4

BIOSPHERE

Question 5

Glaciers, ice, frozen lang

Climate chabge
Cooling of glaciers

Answer 5

CRYOSPHERE

Question 6

Earth and its Interior
Crater Formations

Answer 6

SOLID EARTH