Which statement describes the formation of a nebula? a. an elliptical flattened disk begins. b. a bulging core with irregular stars around it forms. c. a large flattened core at the center contracts. d. gases from a dead star gather and contract.

Where do magnetic lines of force enter earth?

Answer asap 50 points which of the following illustrates how a venus fly trap senses that an insect has landed in its open leaves? 1. using tiny hairs, the leaves sense a change in light. 2. using tiny hairs, the leaves taste a chemical. 3. using tiny hairs, the leaves detect a touch. 4. using tiny hairs, the leaves sense a change in water levels.

If a rock has a density of 2g/cm³ and a volume of 8cm³, what is its mass? a. 4 gb. 128 gc. 16 gd. 0.25 g