The flu is a disease caused by the flu virus. many other diseases, like pneumonia, are caused by bacteria. do all microorganisms cause harm to the human body?

Amajor source of energy for your body comes from

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d