What is the source of food, the first link in the food chain, in deep-sea hydrothermal vent communities?
a) cyanobacteria performing photosynthesis
b) black smokers providing hot water
c) heterotrophs eating dead whale carcasses
d) archaea performing chemosynthesis
e) all of the above
D
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Which of the following is not one of the main families of rocks?
A) Sedimentary B) Igneous C) Metamorphic D) Meteorites
The amount of heat energy transferred in the ocean is significantly higher than that in the atmosphere. Indicate whether the statement is true or false
Which of the following is a characteristic of west coast subtropical deserts?
A) exceptionally sunny and cloud-free conditions B) wintertime snowfall C) some of the highest temperatures recorded anywhere in the world D) cool temperatures with low clouds and fog
In Moldova, the majority ethnic Moldovans speak Moldovan, which is the same language as Romanian, Romance (Indo-European) language
Indicate whether the statement is true or false