What methods can be used to determine the function of a particular brain region?

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

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

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment