Write the following measurements and scientific notation:
1. 800,000,000 m
2. 0.0015 kg

Sugar is dissolved in water. which is the solute? sugar neither both water

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.