.A student wanted to use the knowledge of the life cycle of a mosquito to control it aHe thetefore undertook the following activities. Give the reason for each of the activities he took to control it 1 poured oil unto water 2cleared the bush around 3 introduced a fish called Tilapiainto the water 4 Drained standing wates and emptiedcans 5 slept under moswuito net 6 Burn mosquito coil​

The use of dna as evidence in criminal investigations became possible because of the

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

The carrier molecules of the electron transport system are located in the