Explain the two the-
ories about how Earth and the sun move in
space relative to each other.

In any energy conversion, some of the energy is lost to the environment as question 5 options: electrical energy potential energy sound energy thermal energy

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.