Astronomers encountered a planet that has absolutely no wind. What is this planet missing compared to our own?
Cite evidence from the text to support your answer.
Science

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

What best explains the inability for life to exist in earth early atmosphere

The transport tubes for food coming down the plants are called?