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alexandr1967 [171]
4 years ago
9

The ortho evra contraceptive skin patch is worn for ________ before being replaced.

Biology
2 answers:
klio [65]4 years ago
7 0

Answer:

The correct answer is - a week.

Explanation:

The transdermal or Ortho Evra contraceptive patch is of birth control that is considered simple and safe. This patch can be wear on the upper arm, butt, belly skin and other skin, it releases hormones that prevent pregnancy.

This patch must be wear for full one week or 7 days before changing to new for three weeks. Like other birth control pills, it also contains estrogen hormone and progestin which is absorbed by the skin and inhibits ovulation.

Thus, the correct answer is - a week.

Ivan4 years ago
6 0
Does contraceptive patch should be worn for 7 days before being replaced
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Plants benefit by having their seeds dispersed to farther areas when animals eat their nutritious fruits. So, animals gain from the plants since they are able to attain nourishment for themselves. Both benefit from each other at the same time when an action is done, and so, their relationship is mutual.

Hope this helps! :)
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3 years ago
Organisms that must obtain nutrients and energy by eating other organisms are called what?
Andreyy89
They are called carnivores animals.
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6 0
4 years ago
Discuss efficiency of skin as a barrier
GREYUIT [131]

Answer:

The skin prevents pathogens from entering our body. It covers almost all parts of our bodies and if we get a cut, the skin will begin to heal itself so no bacteria can get into our bodies and cause infections.

Explanation:

5 0
3 years ago
Which bond is the most polar?<br> H C<br> N= N<br> O H
jenyasd209 [6]

O-H bond is referred to as the most polar.

Explanation:

O-H bond is said to be most polar because the electronegativity is different. Electronegativity can be said as the atom's ability to attract electrons towards itself. Electronegativity of an atom increases when there is a movement on the periodic table from left to right.

When the electronegativity between the atoms are different then it is said to be a polar bond on the other case if the electronegativity between the atoms are same it is said to be non- polar bonds.

4 0
4 years ago
You have some old plastic Petri dishes that you would like to use for pouring bacteriological agar plates. The only method of ph
trasher [3.6K]

Answer:

The lids of the Petri dishes were inadvertently left on while being sterilized

Explanation:

  • The process of eliminating any microbe from a particular object to achieve a sterile aseptic environment is termed as sterilization.
  • Sterilization mainly aims to either remove, kill or make any microbe inactive by using various means such as irradiation, heat, pressure, etc.
  • In the given question radiation is used to sterilize the Petri dishes and thus, if sterilization is successful there should not be any contamination.
  • However, since there is contamination present amongst the bacterial colonies growing on agar plated in the Petri dishes this shows that the sterilization has not been done successfully and a possible reason for this could be that while sterilizing the<em> lids of the Petri dishes were kept on. </em>
8 0
3 years ago
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