Plant photosynthesis increased the concentration of ____________________ in Earth's early atmosphere
Fill in the blank(s) with correct word
oxygen
Environmental & Atmospheric Sciences
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What unique feature do all echinoderms have?
A) Water vascular system B) An expelling stomach C) A complex chewing jaws D) Brains
Environmental & Atmospheric Sciences
Considering the site and situation of the city or region in which you live, what future energy alternatives are best suited to your location?
What will be an ideal response?
Environmental & Atmospheric Sciences
A higher threshold value applied to a flow accumulation raster typically result in a ________ stream network:
A. less dense B. denser
Environmental & Atmospheric Sciences
Which of the following is NOT one of the Great Lakes?
a. Lake Michigan b. Lake Erie c. Lake Ontario d. Lake Huron e. Lake Missoula
Environmental & Atmospheric Sciences