Answer:
dear
from the above options fern is a producer
Answer:
water molecules
Explanation:
In photosynthesis, electrons that travel through the electron transport chain in the thylakoid membrane come from water molecules.
Water molecules supply electrons for electron transport in photosynthesis.
Blood vessels in the ear dilate or constrict to help regulate body temperature.
The hard drive of a computer.
Answer:
B
Explanation
Ice wedging, pressure release, plant root growth, and abrasion can all cause mechanical weathering
( Ice Wedging When water freezes, it expands. When water freezes. in the cracks and pores of rocks, the force of its expansion is strong enough to split the rocks apart)