Answer:
Yes, DNA is present in all living and once living cells.
Explanation:
I would say B
Hope this helps:)
Answer:
It's true!
Explanation:
Vitamins and minerals are nutrients that the body needs to work properly. ... Although you get vitamins and minerals from the foods you eat every day, some foods ... larger amounts of some minerals, such as calcium, to grow and stay healthy. ... For example, you've probably heard that carrots are good for your eyes.
<span>It is true that walking to work is one way of helping improve air quality. If you are walking, or riding a bicycle to your work, you are obviously not using a car or a bus which use fuel which pollutes air. So, if more people would do this, they would help improve their living conditions and the air we breathe, because each day, our air becomes more and more polluted. </span>
