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Ahat [919]
4 years ago
6

How do we classify rocks

Biology
1 answer:
dlinn [17]4 years ago
8 0

Answer:

Rocks can be divided into three basic classifications: igneous, sedimentary, and metamorphic. The following tests are used by experts to classify rocks: Hardness Test Minerals are scaled in range from 1 to 10, with 1 being softest and 10 hardest. The method of determining hardness is the scratch test.

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4 years ago
Where is the first electrical wave in the heart initiated?
xxTIMURxx [149]

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Sinoatrial Node

Explanation:

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3 years ago
State one biological advantage this method of reproduction has over cloning
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6 0
4 years ago
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The diagnosis will show the presence of Streptococcus pneumoniae.

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What will happen if a neuron receives many excitatory signals from neighboring neurons?
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a neuron is also known as nerve cells and are building blocks for the information system so if a neuron receives many excitatory signals from one next to it then it will transmit information through chemical and electrical signals which are called synapses. Neutral circuits can form when neurons connect to each other.  


5 0
3 years ago
Read 2 more answers
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