A chemical change occurs when which of the following is true A) a substance is dissolved in water
B) you can separate the materials back to their original state
C) bibbles or fizz occur
D) light is reflected off the materials

Which of the following is not a potential result of deforestation?

Ture or false evidence for evolution includes millions of fossils

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