Answer:
Human cells are eukaryotic which means they are more complicated, bacteria cells are prokaryotic which means they are simpler and viruses are not even cells at all, they are just genetic material in a protein shell
Explanation:
Answer:
D. is the answer of the question
Answer:
1. Since the 1700's, people have used balloons filled with gas lighter than air to float above the ground.
2. Inventors have been trying since as early as the 1800s to create a heavier-than-air machine that would fly.
3. Originally the machines were not meant to carry people.
4. Wilbur and Orville Wright were the first to fly a powered airplane in sustained height.
5. At Kitty Hawk, North Carolina, the flight lasted 12 seconds, and went 120 feet.
6. They succeeded, they had studies aerodynamics, the principles of the movement of air around objects.
7. From this beginning, the airplane industry was started.
8. Louis Bleriot, a Frenchman, was the first pilot to fly across the English Channel in 1909.
hope this helps! :)
