All of the following statements about solid biomass are correct except
a. plantations can help restore degraded areas
b. costs are moderate
c. they are widely available in some areas
d. they are possible to produce with no net carbon dioxide increase
e. it can lead to deforestation
E
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What is a positively charged particle that resides in the nucleus core of an atom?
A. Electron B. Isotope C. Neutron D. Proton
Why do the planets "drift" east relative to the stars and then move west for periods of time?
A) They are moving in the same rotation sense as the earth around the sun, but as the earth moves faster (or slower, depending on the planet) the motion appears to be backwards. B) They are moving in large elliptical orbits, so when observed from Earth, their motion changes depending on whether they are near or far from the sun at a given time. C) They are moving in separate orbits around the sun as it goes around the earth, producing the periodic backtracking. D) They don't move, they stay fixed relative to the stars.
Which of the following zooplankton include the hydrozoans and the scyphozoans?
A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians
Convergent lifting is common all along the equatorial region
Indicate whether the statement is true or false