Urban farming refers to a variety of ways people can grow food in cities. Urban farming most likely
never affects the environment
B
never affects humans or the environment
C
can help the environment but always harms people
D
can be good for the environment and for people

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons