<span>That would be "Chorionic Villus Sampling"</span>
Trees are very important natural resources. They are the source of food, shelter and habitat. We get various woods, timber , fodder from the forest. Trees hold the soil firmly. Forests helps in conducting water cycle. If trees are cut down then environmental pollution will increase because trees purify the Air. Land pollution , air pollution , water pollution may increase. Biodiversity can be affected.
It's called muscle spasticity. Or in common terms, muscle cramp.
Hope this helps.
To be able to compare the results to a sample without any of the independent variable added.
