You are counting red blood cells, which objective will be best to count the number of cells, high power or low power objective and why? Can someone please HELP M

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Modern weaponry has increased the number of deaths in wars and violent conflicts.