You should open the valve slowly in order to gradually vent excess pressure is an example of an effectively worded imperative mood step in a set of instructions.

Diagram of the evolution of land plants?

How do the evolutionary chart and the video support the claim that all living things are made up of cells?

During photosynthesis, hydrogen ions are most directly used to in the chloroplast pictured above. a) make glucose b) make chlorophyll c) produce carbon dioxide d) drive the production of atp