Why is the northeast called the gateway to america

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

What are some of the impacts of humans on the earth?

Which statements explain how ponds and lakes differ? check all that ponds are shallower than lakes. ponds are larger than lakes. pond water moves more than lake water. lakes have more plants at the bottom than ponds. lakes are colder and darker at the bottom than ponds.