The upper part of graft combination is called scion.
Answer: Some are green because of the chlorophyll, some chlorophyll breaks dowm when its cold
Explanation:
Answer:
the differnt dna and rna strucures in the mammals cause differen tlooks they have also evolved from being in the wilf most of their lives
Explanation:
Answer:
Bodies of ice and rock that orbit the Sun and produce a coma and tail of vapor and dust when near the Sun
Explanation:
So if you go to the NASA dictionary it states:
Comet- cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.
So it is most definitely the second option
Have a great day :D
A I believe because cars produce a lot of gas contributing to global warming