Chemical testing of water

Which of the following is a vector quantity? A. 800 feet B. 3 km C. 400 m/s south D. 30 m/s

Which compound contains both ionic and covalent bonds? a.) CaCo3 b.) PCl3 c.) MgF2 d.) CH2O

Which of the following is a characteristic differentiating tropical and temperate rainforests?. a ... the location. b ... the types of trees. c ... the average temperature. d ... all of the answers are correct.

Your friend thinks that the escape speed should be greater for more massive objects than for less massive objects. Provide an argument for his opinion. Then provide a counterargument for why the escape speed is independent of the mass of the object.

Why is soil important to plants? a. It provides them with nutrients. b. It provides them with water. C. It provides them with a medium for growth. d. All of the above Dlacnolont the host answer from the abaia.

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 40 m/s. The arriving plane has a length of 40 m.

How much time does it take for a car travelling at 5m/s in 21 metres

Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?

The isotope of an atom contains 40 protons and 51 neutrons suddenly has two neutrons added to it. What isotope is created? 1. Antimony-39 2. Zirconium-93 3. Antimony-53 4. Zirconium-53

Choose all that apply. Which are phases of matter? Steam, Plasma, Solid, Liquid, Gas, Water