Which one of these clouds is formed by ice?
Cumulus
Cirrus
Stratus
Strato-cumulus

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.

Cells control gene expression at which steps

Steven hawking is on record as saying that viruses can be considered a form of life. considering the list above, what might be his evidence? a) item 5 b) items 1 - 3 c) items 4 - 7 d) items 1 & 2