A student records his pulse rate at rest and again after exercising for 30 minutes. He repeats this process for 15 days. There is a trend in his pulse rate and a possible explanation. His explanation is known as Group of answer choices

a theory

a hypothesis

raw data

an observation

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving