Look at the following picture. Think about the role of ecological succession in different environments. Explain how biodiversity contributes to the sustainability of an ecosystem.

Francine, a college freshman, has agreed to participate in a psychology research study. before she begins her participation, she reads a statement written by the researcher explaining the purpose of the research and the potential risks of participation. it also explains that francine is free to withdraw from the research at any time. in providing francine with this statement, the researcher has followed the ethical guidelines of for participants.

The united states highway system is a what in the united states numbered within a national grid

What group of people “championed” thomas watson due to the support he gave them in the early part of his political career?