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umka2103 [35]
3 years ago
8

How does sunscreen work

Biology
2 answers:
horsena [70]3 years ago
7 0

Answer:

you apply it to your skin and it protects you from the sun

Explanation:

Mashcka [7]3 years ago
5 0
Sunscreen works by blocking and absorbing UV rays through a combination of physical and chemical particles. Physical particles, such as zinc oxide and titanium dioxide, are used to reflect UV radiation from the skin.
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What interactions are occurring that allow the water to move against gravity in capillary action? Select three options.
solniwko [45]

Answer:

Adhesion and surface tension

Explanation:

Capillary action is the tendency of a liquid to rise or fall in a narrow tube. Two main terms are required to explain capillary action; adhesion and cohesion.

Cohesion is the force of attraction between molecules of the same kind while adhesion is the force of attraction between molecules of different kinds.

Forces of adhesion causes water to move up in a capillary tube. The water is held as it rises by surface tension forces acting on the circumference of the meniscus. The water keeps rising in the tube until the weight of the water drawn up in the tube balances the surface tension acting at the top column of the water.

3 0
3 years ago
Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of _________
chubhunter [2.5K]
Three first blank is carbon dioxide
5 0
3 years ago
Read 2 more answers
The guidelines for trauma triage and transport, as released by the Centers for Disease Control and Prevention, take into conside
sveta [45]

Answer:

Patient's sex.

Explanation:

Trauma triage and transport process main aim is to provide the proper facility to the injured patient so they can easily reach at the trauma center. Emergency medical services also plays an important role.

Different rules and guidelines have been implemented in the  trauma triage and transport. The physiology of the patient is determined and proper medical facility is provided to the patient. The patient sex is not determined and keep not in consideration in the guidelines.

Thus, the correct answer is option (B).

6 0
3 years ago
which represents the optimal condition for most enzymes in the small intestine? 1. pH12 2.45°C 3. pH10 4.pH2 5.37 °C
mojhsa [17]

Answer:

5.37 °C

Explanation:

The optimal condition for most enzymes in the small intestine is 37 °C.

Enzymes are responsible for mediating several biological processes in the human body. The optimal condition for enzymes in the small intestine has an optimum pH of about 7.5 and the temperature is 37 °C, which is the normal body temperature of the human body.

Hence, the correct option is "5. 37 °C".

6 0
3 years ago
Geologists recognize three major types of plate boundaries, which are:
SashulF [63]
Divergent. convergent, and transform.
6 0
3 years ago
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