3. Which of the following happens during the light-dependent phase of photosynthesis?
A. Water molecules are split, forming oxygen and free electrons.
B. ATP synthase makes ATP from ADP.
C Energized electrons pass through the electron transport chain.
D. all of these

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?