Answer: Unusual sounds or noises, sights,smells or odors, appearances or behaviors are often
the first sign of an emergency.
Bystander roles in an emergency may include giving first aid, calling 9-1-1 or the designated emergency number, or getting equipment
( for example: A first aid kit).
Explanation:
If a human’s red blood cells will lack sufficient amount of
hemoglobin, he or she would have also a low amount of oxygen.
Hemoglobin is what makes the red blood cells red in color,
aside from the abnormal color, the red blood cells also make up of oxygen. It can also be with iron since iron is bind
to hemoglobin all the way to the lungs.
The density of an object determines whether it will float or sink in another substance. An object will float if it is less dense than the liquid it is placed in. An object will sink if it is more dense than the liquid it is placed in.
So an object denser than water will sink
Answer:
The carrying capacity of an environment may vary for different species and may change over time due to a variety of factors including: food availability, water supply, environmental conditions and living space.
Explanation:
Hope this helps :))
