Answer:
D and B
Explanation:
it is hard to explain but
Xylem is responsible for the transport of water and dissolved ions
The phloem is made of companion cells that form to connect pipes
A cell theory.
Since cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
Answer:
reas on the Equator have a constant 12 hours of day light all year round. As latitude increases to 80° (polar circles - north or south) day length can be seen to increase to 24 hours or decrease to zero (depending on time of year). Land of the Midnight Sun and Polar Winters where the sun never rises.
Explanation:
hope this helps
Length of dna wound onto a histone protein
