Answer:
A. True
Explanation:
The result indicates that taking calcium has no effect on the development of osteomalacia in the women. This is because, of the over 120 women placed on the calcium supplements, it happens to be minimal number of people ( less than 20 people) that develop the osteomalacia disease of the bone.
Water is treated with good respect.
Circulatory system;<span>The circulatory </span>system<span> circulates blood through the </span>body<span>, </span>supplies<span> cells with </span>oxygen<span> and </span>nutrients<span> and</span>removes waste<span> products. Organs: heart, arteries, veins. ... The respiratory </span>system supplies<span> blood with
</span>oxygen<span> in the lungs and </span>removes<span> carbon dioxide.</span>
Explanation:
Biological hazards include microorganisms such as bacteria, viruses, yeasts, molds and parasites. Some of these are pathogens or may produce toxins. A pathogenic microorganism causes disease and can vary in the degree of severity
