A dichotomous key is a tool used to determine the identity of living and non-living things. Take a moment to brainstorm a situation in which a dichotomous key would be useful.

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

All annelids and arthropods have a blank body plan . unlike annelids, arthropods also have blank . the circulatory system of annelids is blank , while circulatory system of arthropods is blank .

What is the most common structure of volcanoes?