Hydrothermal vents that support biological communities exist because of primary productivity in the form of chemosynthesis

Indicate whether the statement is true or false


True

Environmental & Atmospheric Sciences

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Both sphenopsids and lycopsids were important members of the Pennsylvanian forests

a. True b. False

Environmental & Atmospheric Sciences

Ocean disposal of dredge spoils may cause water-turbidity problems and release toxic metals into seawater.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

What is the most likely rock to be found in a drill core of a continental margin?

a. Granite b. Carbonate c. Alluvial rock d. Basalt e. Shell

Environmental & Atmospheric Sciences

Why is it difficult to determine the level of exposure to a particular toxic chemical that will cause harm to humans?

What will be an ideal response?

Environmental & Atmospheric Sciences