1) This is a definition.
2) Protons are given by the bottom number (since atomic number = number of protons).
3) Neutrons = (mass number)-(atomic number), which are the top and bottom numbers, respectively.
4) Nuclear fusion involves combining two things together, which is only reflected by the last option.
5) This is a fact.
6) This is a fact.
7) This is a fact.
8) This is a fact.
9) The correct option is the explanation.
Answer: Three samples that can be used to test for poisons are blood samples, hair samples, and gastric contents samples.
Advantages of hair samples area is that it can indicate past exposure to toxins or poisons and also provide information on how long the exposure has been going on. Poisons can sometimes be detected in hair for long periods of time. The advantages of gastric contents samples area is it shows whether the poison was digested or not. An advantage of blood samples is that it’s the most useful toxicological samples. The disadvantage of hair samples is that the results can be tainted by external sources. The disadvantage of gastric content samples is that it doesn’t always show which toxin was digested. The disadvantage of blood samples is if taken near or from the heart it may have artificially high levels of toxins that wouldn’t reflect the amount distributed throughout the body at the time of death.
Explanation:
Answer:
1837.65 mmHg is the pressure in millimeters of mercury.
Explanation:
The expression for the conversion of Pressure (kPa) to pressure (mmHg) is shown below as:-
Pressure (kPa) = 7.501 x Pressure (mmHg)
The pressure value given = 245 kPa
It can be expressed in millimeters of mercury as:-
Pressure = 7.501 x 245 mmHg = 1837.65 mmHg
<u>1837.65 mmHg is the pressure in millimeters of mercury.</u>
Answer:
Option 2, 3, and also 6 btw
Explanation:
The other guy was wrong
It attracts other water molecules due to water’s polarity and hydrogen bonding
