HELPP ASAPP I WILL MARK BRAINLIIEST 1 What is shown in the following picture? Choose the best answer

a

Spring Tides, which is when there are very high tides and very low tides.

b

Spring Tides, which is when there are almost no tides.

c

Neap Tides, which is when there are very high tides and very low tides.

d

Neap Tides, which is when there are almost no tides.

Explain why phospholipid molecules form a bilayer. (3 marks)

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.

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.