P(t)=P(0)e^-kt
For half-life:
.5=e^-2k
ln .5=ln e^-2k=-2k ln e=-2k
k=0.34657359027997265470861606072909
125/300=e^-0.34657359027997265470861606072909t
ln 0.41666666666666666666666666666667=ln e^-0.34657359027997265470861606072909t= -0.34657359027997265470861606072909t ln e=-0.34657359027997265470861606072909t
t=2.526 hours
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Answer:
In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level.
Explanation:
Examples of aerobic exercise include swimming laps, running, or cycling. Anaerobic exercises involve quick bursts of energy and are performed at maximum effort for a short time. Examples include jumping, sprinting, or heavy weight lifting.
Answer:
B. Applying ice to the breasts for comfort
Explanation:
As soon as a mother has given birth, the body naturally prepares for breastfeeding. However, some mothers choose not to breastfeed, and instead use a bottle to feed their babies. Applying an ice pack or cabbage leaves can reduce swelling and tenderness. The breasts being swollen and tender are known as engorgement.
A mother who is bottle feeding should avoid any lactation, including option C which suggests relieving pressure on the breasts. This will make matters worse because the body will then produce even more milk.
A loose-fitting bra will also not help because the bra may rub against the nipples which will further stimulate lactation.
The correct answer is C.
An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.