We should NEVER keep volatile solvents, like as ether, acetone, or benzene in an open beaker or Erlenmeyer flask because vapors can ignite and flash back if they reach a flame. All BUT ONE safety precaution is necessary when using volatile solvents. That is

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

Me the formula cacl2 represents the compound

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.