Enzymes act as catalysts

a) they raise the activation energy
b) they maintain activation energy
c) they lower the activation energy
d) they use activation energy

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level.a. a lower energy thanb. a higher energy thanc. the same energy as

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front