The process is called diffusion, and it requires no energy input.
Answer: Personal flotation device
Explanation:
Personal flotation device is a equipment which is used to assist the wearer to keep floating in water. The device is available in different sizes to cover people of different size and shape. It protects people against drowning in deep waters and also facilitate the rescue team to conduct the rescue operations in situations of flood, and to find dead bodies of the drowned victims.
You should always wear personal flotation device to perform the rescue operations.
Answer:
Femur (thigh/upper leg)
Tibia (lower leg)
Ulna (forearm)
Radius (forearm)
Fibula (lower leg)
Explanation:
All are part of the skeletal system except the Heart (circulatory system) and the Lungs (respiratory system)
<u>Answer:</u>
The Acquired Immune Deficiency Syndrome (AIDS) was clinically identified as a fatal disease in 198.1 decade.
<u>Explanation: </u>
AIDS which is a pandemic globally, is caused by a communicable virus called Human Immunodeficiency (HIV) Virus. In US, the first five cases were clinically exposed on 5th June, 1981. HIV majorly spreads from one to the other through three routes namely sexual contact, transmission through body fluids or from mother to fetus via pregnancy/ delivery/ breast-feeding. Vaccines that offer partial protection exists but there is no permanent cure for this disease.
