Answer:
Energy in an ecosystem comes from the Sun.
Explanation:
It is a major source of energy for organisms, plants and the whole ecosystem basically.
1) Well, you need to logically think about which of the pecan trees would be better. Tree 3 may have more clusters but they taste bitter so this is out of the option. So Tree 4 and Tree 1 would be best because they both have rich and buttery tastes and they both have a lot of clusters.
2) Not quite sure about this one, sorry :(
Answer:
The sphere on the left as it has more mass.
Explanation:
Inertia is the resistance to changes of motion.
Answer:
B. oxygen and glucose
Explanation:
Oxygen for respiration and glucose for energy utilization