Which is a pair of numbers used to determine the position of a point on a graph? axis

coordinate

origin

data point

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

Which could be a pathway of food through an ecosystem

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet