List two positives uses for bacteria.

What might happen if someone with type A received a transfusion of type B blood?

Which statement about the universality of gravity is untrue? The gravitational force between two objects increases if the distance between the objects decreases.

A mutation that causes changes in the amino acid sequence downstream of the mutation is called what?

An organism has two different possible traits, A and B. A graph of the population is shown right. Which of the following statements is true about Trait B? Check all that apply. It decreased in frequency over time. It became extinct.

Pressure is a force defined as? a. The movement of particles in matter b. The number of particles in an object c. a pull that is related to buoyancy d. a push the acts over a certain area

Which layer is made of solid nickel and iron? A. crust B. mantle C. outer core D. inner core I think it is either the inner core or the outer core.

What is a biological definition of Archaea.

4. What did the mitochondrial DNA testing show? What do scientists believe happened to Anastasia?

13. what type of bond forms between a slightly positive hydrogen atom in one molecule and a slightly negative atom in another molecule A. atomic bond B. ionic bond C. hydrogen bond D. covalent bond

3. Why doesn't the temperature of the water change while the ice is melting or boiling? (what is happening to the heat energy?)