Which statement describes one feature of a mineral's definite chemical composition? O It always occurs in pure form
It always contains certain elements
O It cannot form from living or once-living materials
It cannot contain atoms from more than one element
hs

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer

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

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm