The answer is A.only autotrophs can convert solar energy into chemical energy.
Bearded iris plants require a lot of sun and a mediocre amount of water. They thrive in neutral pH soil and is quite sensitive to insects/pests. The biggest improvement that can be made in the plant nursery to further their growth is to have the sufficient amount of watering but most importantly, adjust the greenhouse so that there is more sunlight entering the enclosure/ there is more lighting in general (long day setting).
They form an ionic bond by exchanging one electron
1) D because even if you rip all them out, the seeds of the plant are still in the ground
2) D because of the current, short-legged birds might get swept away
3) D because all of the other options would most likely not enforced.
Answer:
About composition of water and organisms that lives there.
Explanation:
scientists might be able to learn about the composition of seawater that was present millions of years ago if we study those stones that comes in contact to that ancient seawater because the traces of particles still present on it. This study provides valuable information about ancient times of earth and its natural resources. These rocks also provides animals that were present in that sea water at that time.