Answer:
B.Self powered
Explanation:
They move by themselves.Hope this answer helps you ;)
Answer:
The correct answer is from areas of high concentration to low concentration.
Explanation:
A concentration gradient exists for these molecules, so they have the potential to diffuse into (or out of) the cell by moving down it.
Hope this Helps!
Answer:
it is 7
Explanation:
dogs are 7 HOPE THIS HELPED kidding i don get the question
Hello, to answer your question. It is because all machines require a fuel or source to power it making it imperfect for using some source that may not be renewable.
Signed by, Virtouso Sargedog
Answer:
2.24 Liters are in 4.4 grams of CO2 at STP