When a piece of magnesium metal is placed into a test tube of hydrochloric acid, bubbles form. What type of reaction is this? 1Points A synthesis B decomposition C single-replacement D double-replacement

What is the smallest component or the most basic building block of any element ? a. an atom, b.a compound c.gas d.element

Which statement are accurate about snow flakes

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.