The answer is C. ozone layer. Good luck!
Answer:
B. Climatology
Explanation:
Earth science studied the patterns of weather over a long period of time is called climatology. Weather is shorter phenomenon and day to day activities whereas climate is the longer and average climatic conditions over a period of 30 years. Climatology deals with the study about the temperature, precipitation, humidity, and pressure in the specific area in the world. Tectonics is the branch of the geomorphology which deals about the inner and outer surface of the earth.
The answer is A, if an animals membranes of the eyes is pink it is considered an illness.
Answer: b. Clear-cutting
Explanation: Clear cutting is a cheap and effective way of harvesting trees or timbers, this methods helps the forest operators to get the best out of a forest at a very reduced cost.
Clear-cutting is bad because removing the whole tree from an area destroys outrightly the natural habitat of most widelife, and it will also lead to the destruction of the eco-system that relies on the forest.
Are you asking how are they made or What part of the building is important