What has helped the ecosystems survive through the Earth's changes? Human activity

Biodiversity

Machines

Mr. Attis

Does the sun release radiant energy?

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

Several billion years ago which gas was the least prevailant in the atmosphere