The mind is to brain as:

Based on your observations of porto alegre and houston, what would you conclude about the longest and shortest days for the two cities on opposite sides of the equator

Compare and contrast the environmental consequences of reliance on coal with reliance on petroleum.

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii