The proteins in the cell membrane allow the nutrients to go and waste to go out <span>of a cell. Water passes through the cell membrane without the help of proteins.</span>

7 0

3 years ago

Water that freezes and expands in cracks and spaces between rocks will cause..

Solnce55 [7]

frost/ ice wedging....

7 0

3 years ago

Hello people ~

gulaghasi [49]

Explanation:

$\longmapsto\: \purple{ \underline{ \boxed{\frak{ hell o \: mate }}}}$

Seed formation without fertilization in flowering plants involves the process of ---

A) APOMIXIS

4 0

2 years ago

Read 2 more answers

1 and 2 please i dont know the answers i have more to come

bixtya [17]

Answer:

1. C.) Their cell walls contain chitin

2. C.) Chloroplast

4 0

3 years ago