Answer:
the hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change.
Explanation:
Answer:
weather
Explanation:
climate is the general state of an area for at least 30 years. weather is a temporary condition.
Answer: Elevated ridges of tissue, called gyri (singular: gyrus), separated by shallow groves called sulci (singular: sulcus) mark nearly the entire surface of the cerebral hemispheres.
Blood<span> is a heterogeneous </span>mixture<span> because the </span>blood<span> cells are physically separate from the </span>blood<span> plasma. The cells have different properties than the plasma. The cells can be separated from the plasma by centrifuging, which is a physical change. Since it can be separated mechanically, it is not a chemical compound</span>
<span>When encountering an unconscious choking victim it is important to perform abdominal thrusts. The answer is letter B. By performing an abdominal thrust, you are applying pressure on the abdomen to force the object out from the system of the choked victim. Victim may be unconscious while choking because the victim lacks oxygen to breathe in from air. To perform abdominal thrust, there are four tips.
1. Stand behind the person by wrapping your arms around his/her waist and make him/her tip forward slightly.
2. Create a fist with one hand and then place it a little bit above his/her navel.
3. Grasp the fist with the other hand by pressing it hard into the abdomen with a sudden ascending thrust.
4. Perform the thrusts five times until the object will be removed form the system of a person.</span>
