What is the difference between prokaryotes and eukaryotes? Which are seen first in the fossil record?
What will be an ideal response?
Eukaryotes have a nucleus, which is a compartment within the cell that contains an organism's genetic information. Prokaryotes, which have no such compartment, are found first in the fossil record.
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In middle latitudes, which of the following cloud types has the highest base?
A. cumulonimbus B. cirrostratus C. cumulus D. altostratus
A package is dropped by a drone flying at 10 m/s at an altitude of 20 m when directly overhead its receiver. Neglecting the effects of air resistance, the package lands
A. 20 m from the receiver. B. directly beneath the flying drone. C. both of these. D. none of the above
At times in the past, the north and south magnetic poles have switched locations
a. True b. False Indicate whether the statement is true or false
Where on the following world map are the lowest salinities?
A. A B. B C. C D. D