Halons and CFC’s both . A. Inhibit ozone formation b. Cause ozone formation in the troposphere c. Destroy ozone in the stratosphere d. Cause excess ozone formation in the stratosphere Please select the best answer from the choices provided A B C D.

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

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

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the