Evaluate this statement substances are made of two or more types of elements

Which feature do highland climates have that lower elevation areas do not?

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

What effect might melting sea ice have for people who live in coastal areas?