Biosphere- where living things exist
hydro- referring to just the water
geosphere-referring to entire thing
atmosphere- the gases in the air
Answer: The answer is rock.
Explanation: A rock is a a solid substance in which it is composed of large quantities of one mineral, or contains 2 or more minerals.
The answer is C.
A is not specific
B has nothing to do with humans
C is specific enough and would be pretty handy
D makes no sense
Hope this helps!
Answer;
Comfortable erect position squarely behind the steering wheel.
Explanation;
Vehicle balance is the distribution of the weight of the vehicle on the tires as they meet the ground.
Vehicle movements creates changes to vehicle balance due to suspension and weight changes.
Proper position of the feet, legs, arms, and hands help maintain a stable seat position.
To maintain balance; Precise steering movements, smooth and progressive acceleration, and controlled brake application are important.