If an organism's diploid cells have 40 chromosomes, then its haploid cells have
A) 80 chromosomes.
B) 40 chromosomes.
C) 20 chromosomes.
D) none of the above
C
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Spheroidal weathering is a form of physical weathering. Indicate whether the statement is true or false
Suppose the sky is completely covered with a thin, white layered-type cloud. You look at the
ground and see that objects cast a distinct shadow. From this you conclude that the cloud type must be: a. stratus. b. nimbostratus. c. cirrostratus. d. stratocumulus.
Standard time zones
A) are 15° wide because Earth rotates that distance in one hour. B) have yet to be generally established. C) are spaced at 5° intervals of longitude in North America. D) are arbitrarily set based on international political boundaries. E) are only used in the developed countries.
A weather forecast for the immediate future that employs the trend method is called
a. nowcasting. b. extrapolation. c. first order forecasting. d. linear forecasting. e. persistence forecasting.