(c) If a scientist wished to determine the effect of a certain herbicide on weed
growth she would include a control in the
investigation. Suggest a suitable control in
this case.

Please help me it will be appreciated!

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Which type of stimulus do mechanoreceptors detect? sound pain heat light

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping