Answer:
1: cell membrane
2. chloroplast
Explanation:
1. the cell membrane is the outer layer of an animal cell since they don't have cell walls
2. only plant cells have chloroplasts
Which topic related to air travel would most likely be studied by a biologist?
the spread of disease among passengers
the range of temperatures outside the plane during flights
the most suitable material to use for building the exterior of the plane
the number of hours that the plane can remain in flight
these are the answer choices to the question above.
Answer:
1. It has to be someone related to you.
2. It has to be someone from the opposite gender.
3. Why do they teach you incest in school?
Plates collide causing rock to push upward together