What role does the nitrogen cycle play in the life cycle of a plant? ( please help me! thank you! )

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Before classifying insects into different orders,review the larger classification for insects: • kingdom: animalia • phylum : arthropoda • class : insecta conduct research online to determine the characteristics an organism must have to be classified in each of the taxonomy levels shown. note the characteristics you find in the answer space.