Group 13-17 contains metalloids. Boron, Silicon germanium, Arsenic, Antimony, Tellurium and Polonium are considered metalloids. They have properties of both metal and non metal. Some of the element are good semi-conductors .
Answer:
Here are the top five reasons why you need to wear safety glasses. Safety glasses can prevent foreign objects that are floating around from damaging your vision. Dangerous particles or chemicals could be floating around in your workplace. Some jobs that are at a high risk include construction, maintenance, welding, plumbing, and mining.
Explanation:
<span>People in some countries eat little or no meat. They are getting much of their protein from vegetarian protein sources.
</span><span>Fish is one of the major sources of animal protein around the world.
</span><span>Fish is the main source of animal protein in many developing countries, providing over 50 percent of the animal protein consumed in some areas, according to the Food and Agriculture Organization.
</span>In some developing nations, the percentage <span>of animal protein from the fish in the diet can be high as the percentage of animal protein from red meat (beef and pork) in America.</span>
Correct answer - C Phenotype.
Why? - Phenotype, all the observable characteristics of an organism that result from the interaction of its genotype (total genetic inheritance) with the environment. Examples of observable characteristics include behaviour, biochemical properties, colour, shape, and SIZE.
It’s true (a) because bones become brittle and easier to break if theyre not used. bones more frequently used become stronger.
