Unlike humans bones, some bird bones have air filled cavities. what advantage does this give birds?

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

Long term exposure to waves can cause sunburns and skin cancer.

What type of plant is good for a bioassay and where can i buy it? i only have a month.