18. this is the era of "recent" life. mammals are the dominant organism and it is divided into the tertiary and quaternary period. *

paleozoic
carboniferous
cenozoic
mesozoic

In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted

What noticeable trend from this graph might be used to make a conclusion?

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?