Diagrammatic question
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Explanation:
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2....
i)..
Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury. ... Since alcohol is colorless a dye is added. Alcohol thermometers can be used to measure the temperature inside a freezer..
ii)..
A proton and an electron have an equal amount but an opposite type of charge.
Thus, if an atom contains equal numbers of protons and electrons, the atom is described as being electrically neutral.
iii)..
Skin is composed of a layer of epithelial tissue (epidermis) that is supported by a layer of connective tissue. It protects the internal structures of the body from damage and dehydration.
Epithelial tissue also helps to protect against microorganisms.
iv)...
Wildlife and Forests are heavily dependent on each other
....since Wildlife forms forests and helps them sustain and grow. In return, Forests provide wild organisms with food, shelter and other resources. Wildlife that live in the forest require it for survival.
The forest protects them, in many cases feeds them.
3....
Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their atomic number.
There are 18 groups and 7 periods present in the modern periodic table.
Molecular formula of Magnesium oxide is Mgo
4..
The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1 gram of water 1° Celsius.
one calorie is equal to approximately 4.2 joules.
6...
I) Digestion
2 ..
i. Mouth ( Buccal Cavity)
ii.. Liver
iii.. Large intestine