I think the correct answer from the choices listed above is the third option. The DNA is used as a molecular clock in the sense that the <span>percent of carbon in DNA is compared between parent and offspring. Hope this answers the question. Have a nice day.</span>
The differences between osmosis and diffusion it that diffusion refers to the movement of any chemical from one place to another, whereas osmosis exclusively refers to the movement of water across the semipermeable membrane. (cell membrane)
Answer:protection from other predators.
Explanation: the quills will stick into a predator that attack the porcupine Note: it does NOT shoot its quills
Explanation:
sorry for the handwriting
Answer:
Cloud
Explanation:
Clouds forms when invisible water vapour from the earth rises and turns to visible water droplets. This is caused by radiation of the sun on the earth surface, causing evaporation from the earth and is taken up the sky forming a cloud. It is also known that the more water vapour condenses into droplets, the greater amount of cloud that id formed.