2. solar system 1. is elliptical
Answer:
B
Explanation:
in photosynthesis CO2 is used to produce glucose NOT energy.
in cellular respiration O2 is used to produce energy NOT CO2.
in cellular respiration oxygen is used to produce energy and CO2.
It is called a semi-permeable membrane. Most eukaroytic cells have this.
I would think that the firearm should be passed over the fence and not carried in the hands if it is a rifle to avoid it accidentally going off and make sure that it is not loaded or with no shells in the chamber for safety because it could conceivably fire if the bearer fell while crossing the fence.
