Answer:
Acrylic.
Explanation:
Acrylic is the synthetic fibre which resemble silk and wool. It is also known as artificial wool or synthetic wool.
Answer:
The National Research Act of 1974 set the stage for several important systems of checks and balances in clinical research. It led to the creation of the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research, as well as the Belmont Report and Institutional Review Boards (IRBs).
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Nitrogen is needed by organisms to make amino acid which is essential for protein synthesis
D because gravitational force cannot pull or push
Out of the following given choices, the answers are;
morning stiffness in joints
swelling of joints soft-tissue swelling of at least three joints
Rheumatoid arthritis is the damage to the joint cartilage due to autoimmunity . This causes increased friction (hence wear and tear) of the bones at the joints. This causes pain at the joints and hence the subject is immobilized.
