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Introduction : In any laboratory dealing with biological experiments, hazards can occur mainly due to chemicals and biological materials. In the previous exercise you have done the activity of classifying hazardous chemicals and you also learnt the skill of handling such chemicals. In this exercise you will carry out the activities related to the disposal of biological materials after the experimental work with such materials is over. Disposal activities are related to microorganisms and dead animals. Since these materials cause contamination and infections very rapidly, more care is required in their disposal. Disposal of plant materials is comparatively simpler. Put all the used plant materials in a disposable bag, seal or tie the bag and put it in the waste collecting bins.
how much bones are in human body?
A rain gauge Mount your wind speed indicator in a place that is exposed to the wind from all directions. 4 A rain gauge It is simple to make a easy rain gauge using a funnel an
Give Some examples of minerals used in everyday life? There are many minerals that are used in everyday life. We will discuss a few common examples of minerals and how they ar
Lowing soap bubbles with hydrogen Mix up a strong soap solution that will make good soap bubbles. Place a small funnel tube or a clay pipe on the delivery tube. When you have a
Long Refractory period - Properties of a Beating Heart Refractory period is the period during which a stimulus fails to evoke a response. In a beating heart, if an external sti
The functional organization of the human brain—for instance that the temporal lobe processes auditory and occipital cortex visual information—is largely not hard-wired, unlike in s
b) discuss briefly the scientific and technical achievements of the bronze age
a. Which type of ripple marks would you expect to see on the bed of a river? Why? b. Which type would you expect to find on the floor of a standing body of water? Why? c.
Release of Energy : When the atom splits, the masses of the fragments and the neutrons produced do not add up to the mass of the original. A tiny amount of matter disappears. Th
State the Chemical and Physical processes of weathering The chemical and physical processes of weathering aid each other. A rock mechanically broken into smaller pieces exposes
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