HELP PLEASE IM DOING A SCIENCE QUIZ AND I NEED HELPPP You exert a force of 120 N on a desk to the right. Your friend decides to push the desk from the opposite
direction, exerting a force of 150 N. What net force do you and your friend exert on the desk? What will be the
direction of the movement?

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

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Which material is commonly used as a culture medium for living cells