Question

Fill in the blanks: 1)Coal and petroleum is found in _______ rock.
2) the main components of bio gas is___________. The unit volume in SI is _________.
3) Arc in dicator is used for measuring the growth of ___________.
4) Each level in food Pyramid is a ___________.
5) ________energy is stored by the change in shape of an object.​

Answer 1

Answer:

1. sedimentary rocks

2.Renewable resources

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Answer 2

Answer:

1. sedimentary
2. Biogas is a renewable energy source composed of methane, carbon dioxide, and other trace compounds produced from anaerobic digestion of organic matter.
3. The SI unit of volume is the cubic meter (m3), which is a derived unit. Liter (L) is a special name for the cubic decimeter (dm3).
4. An auxanometer is an apparatus for measuring increase of growth in plants. In case of an arc-auxanometer, there is a wire fixed with the plant apex on one end and a dead-weight on the other. It passes over a pulley which has a pointer attached to it.
5. As one thing eats another, the layers of the food pyramid narrow. These layers, called trophic levels, represent available energy. Animals at each trophic level depend on animals living in the levels below them for food energy.
6. Potential