Mercury has the smallest orbit and neptune has the largest. so neptune would take a longer amount of time to orbit the sun.
A. to find out if a hypothesis is correct.
Answer:
B. a nucleus
Explanation:
cell walls and chloroplast are both found in plant cells, not in animal cells
Answer:
It is important because plants would not be able to produce food for themselves, so the plant would die. Animals that feed on plants would not be able to survive, and animals that feed on other animals would die too because they would not have any food.
Answer: D is right
Explanation: It seems both waves have same wavelength.
Because speed = wavelength · frequency (v = λf) and
f = v/λ, so frequency is same. Because period T = 1/ frequency, also periods are same. Wave Y has higher amplidude and its energy is greater.
