I. If X represents the observer viewing galaxies A and B Which of the galaxies will show a redshift of light AX B

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!