Would your work in cleaning the beach be considered physical or a chemical change to the environment? Explain your reasoning.

Whats the scientific notation of 0.00000923

You find a rock that looks like bits of sand glued together. What conclusions can you draw about this rock? It is a sedimentary rock. This rock was formed near a volcano. It was changed by heat and pressure. This rock was formed underground.

Hi i want to know if sex cells ever develop into regular cells

Which solution has the greatest osmolarity? 0.6 M NaCl 0.10 M KNO3 0.35 M AlCl3 0.2 M CaBr2 0.14 M KF

State the big vang theory

The atomic mass of fluorine in 19.0 amu, so the molar mass is?

A rod shaped organism with no nucleus commonly found in Garbage will most likely belong to which kingdom

Alka-Seltzer is a solid mixture of two substances, sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O7). The substances react to form water, carbon dioxide (CO2), and Na3C6H5O7.

Four properties of water are listed. 1. It is colorless and odorless in its pure form. 2. It reacts with metals to form metal hydroxide and hydrogen gas. 3. When heated to 100 °C, water evaporates. 4. It decomposes to form hydrogen and oxygen.

Water is A. Acidic B. Basic C. Neutral