Environmental Science
The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes:

No appreciable change from present conditions
Hotter summers and milder winters than at present
Cooler summers and colder winters than at present
Cooler summers and milder winters than at present
Hotter summers and colder winters than at present

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Environmental Science
How do red and blue light differ?

Red and blue light have different directions of polarization.
The wavelength of red light is longer.
Blue light has a higher speed of propagation.
Red light has a higher intensity.

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Environmental Science
Ecology is

The science that studies the evolution of life,
Integrates both social and natural sciences to help us understand how the earth works,
The study of the relationships between organisms and their environment
The study of the environment in the absence of humans

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