Identify an anion. an atom that has gained a proton. an atom that has gained an electron. an atom that has lost an electron. an atom that has lost a neutron and a proton

If a || b and e || f, what is the value of y ?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d