Answer:
D. Titan's atmosphere contains nitrogen.
Explanation:
- Titan is the largest satellite of Saturn.
- It is the second largest moon next to Ganymede.
- Titan's landscape is similar to earth's and show dry rivers and hydrocarbon lakes. it is the only body in the solar system that shows evidence of surface liquid other than earth.
- It is the only planetary moon in the solar system which has an atmosphere which is rich in nitrogen like earth.
The answer is #1, a response to a stimulus that sends an electric impulse
B The products of respiration can be used by plants for photosynthesis.
Answer:
Cytoskeleton
Explanation:
The cytoskeleton is a structure that helps cells maintain their shape and internal organization, and it also provides mechanical support that enables cells to carry out essential functions like division and movement. Cytoskeleton is made of filamentous proteins, and it provides mechanical support to the cell and its cytoplasmic constituents. All cytoskeletons consist of three major classes of elements that differ in size and in protein composition including microtubules, actin filaments and intermediate filaments.
Answer:
A. organisms die or leave an area
