How does evaporation affect the composition of ocean

a. evaporation increases the salinity of ocean water
b. evaporation decreases the latitude of ocean water
c. evaporation increases the latitude of ocean water
d. evaporation decreases the salinity of ocean water

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What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

Coral have a symbiotic relationship with what in order to eat?