Which of earths spheres contains mountains valleys and other landscapes

a) atmosphere

b) biosphere

c) geosphere

d) hydrosphere

As the height of a dropped ball decreases, what happens to its potential energy? it increases. it remains the same it decreases. it runs out.

If anything is possible, is it possible for anything to be impossible? If someone with multiple personalities threatens to kill himself, is it considered a hostage situation? Why is a boxing ring square?

Among 10 laptop computers, five are good and five have defects. Unaware of this, a customer buys 6 laptops.

These systems use sensors or cameras to determine when a vehicle is in an area around your vehicle that you cant see in your mirrors

Mary wants to determine the average height of the plants in her plant collection. She measures them and finds their heights are 8 inches, 7.5 inches, 11 inches, 6.5 inches, and 14 inches. What is the average height of her plants?

Which gas is most abundant in the atmosphere? argon oxygen carbon dioxide nitrogen Btw this is a science question

If it is a first quarter moon today, in 14 days it should be which moon?

What does respite mean?

Mrs. lim is y year old. she was 25 year old when her son was born. Their total age in 12 years' time will be n years. A) Express n in terms of y B) Find n when y=38

How do we determine if they are made with matter