Harmful algal blooms (HABs) are most common in what parts of a lake?
A. Around islands
B. In the middle
C. Near river outflows
D. Along the bottom
Ans: C. Near river outflows
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One area in the ocean that has an extreme abundance of sediment deposition is the ____
A) shallow waters around Alaska B) waters around the tip of Africa C) deep-ocean floor in the middle of the Pacific Ocean D) waters near the Gulf Coast of North America
What generates the heat necessary for convection in the Earth?
A) Volcanic eruptions B) Friction between moving slabs C) Chemical reactions between geologic materials and hydrothermal fluids D) Decay of radioactive materials
O2 can be produced by the reaction 2 KClO3(s) ? 2 KCl(s) + 3 O2(g). In one experiment 0.312 g of O2 were formed. How much KCl was produced?
A) 0.484 g B) 0.797 g C) 1.19 g D) 1.79 g
The formation of the solar system from a huge cloud of gases and dispersed particles is known as the solar galactic hypothesis
Indicate whether the statement is true or false