Chemical X is man-made, but what natural element must it be like to cause such massive algae blooms? Explain how you know.

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

What overall charge must all compounds have

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?