A solar maximum is a period during which sunspots are numerous
Indicate whether the statement is true or false
TRUE
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Seaweed (large marine algae) grows in shallow coastal regions because ________
A) they require fresh water to reproduce B) the surf is an important part of their mobility C) there is more sunlight reaching the seafloor in those regions D) they feed on the organisms washed into the ocean from nearby land
What is responsible for the capillary action of water?
a. latent heat of fusion b. thermal inertia and surface tension c. adhesion and cohesion d. latent heat of vaporization e. density
Why is biomass energy renewable?
A) Once forest wood is burned, the forest is not replanted. B) Once plants are harvested, the soil in no longer fertile for replanting and regrowth. C) Once plants are harvested, they can grow again if proper conditions are provided and rate of harvest does not exceed rate of planting. D) There are always more plants growing somewhere on Earth. E) Any living organism is considered renewable.
What determines the ion exchange capacity of soil?
A. The amount of shrink-swell minerals B. The compressibility of the soil C. The permeability of the soil D. The amount of electrically-charged particles