What substances pass through a leaf's stomata?

phosphorus

nitrogen

oxygen

water

trace elements

carbon dioxide

Describe the procedure to seperate blood from sand! -first good answer will recieve the best.

A 4 kg rock is rolling 10 m/s find its kinetic energy

What is the oxidation state of each element in COH2?

Ava and Eddy are discussing the difference between a species being extinct and an endangered species. Ava states that extinction means that the species is no longer alive. Eddy states that extinction is when a species is close to dying out.

The chemical formula for a covalently bonded group of atoms is called a

Will ag2so4 precipitate when 100 ml of 5.0*10-2 m agno3 is mixed with 10 ml of 5.0*10-2mna2so4 solution?

How many grams of H₂ are produced with the reaction of 36 grams of water? 2 Na + 2 H20 - > 2 NaOH + h2

Which statement is the best description of a chemical bond? A. A chemical bond connects 2 different molecules. B. A chemical bond holds atoms together. c. A chemical bond turns molecules into atoms. D. A chemical bond identifies atoms in a molecule.

The energy of an electron varies depending upon which energy level that electron occupies. True or False.

What is the mass (in grams) of 9.07 * 1024 molecules of methanol (CH3OH) ?