Answer:
In this context, rice, rubber, timber, kenaf, tapioca, sugar, copra, cattle, and fish are as much natural resources as tin, oil, bauxite, coal, and iron ore. The chapter presents broader connotation. Southeast Asia is a traditional producer and exporter of raw materials and of natural resources.
Explanation
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Inadequate dietary vitamin D or its deficiency leads to malabsorption of calcium. Nutritional disorder leads to the rare disease rickets, which causes bones to become soft and bend in children. In adults, vitamin D deficiency leads to osteomalacia, which causes weak bones, bone pain and muscle weakness.
The body needs vitamin D to properly absorb calcium and phosphorus from the diet. However, keeping the right quantities of calcium and phosphorus in bones is challenging when vitamin D levels are low.
The two sources of vitamin D are-
- Natural sunlight
- Foods such as fish oil, Egg yolk and fatty fishes like salmon and mackerel
There are other disease conditions which lead to poor absorption of vitamin D-
- Inflammatory bowel disease
- Celiac diseases
- Kidney problems
To learn more about Rickets here-
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I mean each Animal has a purpose in order to keep the food chain in line, for example sharks if they went extinct there would be more seals and more fish and less of this and that. Each animal plays a certain part on earth in order to keep everything normal.
Answer:
guanine, adenine, cytosine,
Explanation:
Answer:
H. It represents the actual size but it is big enough for the eye to see making it extrememly accurate
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