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nekit [7.7K]
3 years ago
11

What is true about electromagnetic waves from the sun? A. They travel through space without a medium B. They consist of electric

change emitted by the sun C. They are attracted to Earth's north and south magnetic poles D. They consist entirely of infrared waves
Biology
1 answer:
Cloud [144]3 years ago
3 0

Answer:

Option A) is correct.

Explanation:

Electromagnetic waves refer to waves that are created due to vibrations between a magnetic field and an electric field.

Electromagnetic waves do not require a medium to travel through space without a medium. Electromagnetic waves can travel through air,  vacuum of space and solid materials.

So,

Option A) is correct.

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the first one is dirt and water and the second one is pressure.

Explanation:

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3 years ago
WILL GIVE A BRAINLEST
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The answer is bright colors hope this helps
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The range of motion as well as the direction of motion for the various regions of the spine differs. For example the lumbar spin
Temka [501]

Answer:

The correct answer will be option-D

Explanation:

A Facet joint is a synovial joint present between the inferior articular process of one vertebra to the superior articular process of another vertebra.

The facet joints form articular pillars which provide the structural stability and can have different orientation depending on the plane or angle they form.

1. When the articulating facets lie parallel to the frontal plane and form 45° angle to the transverse plane then it allows all the movements in the cervical spine.

2.  When the articulating facets 20° to the frontal plane and 60° to the transverse plane then it allows the lateral flexion and rotation in the thoracic spine region.

3. When the articulating facets form 45° to the frontal plane and they are at right angles to the transverse plane then it allows only flexion and extension in the lumbar region.

Thus, option-D is the correct answer.

6 0
3 years ago
Complete each sentence by putting the labels to the appropriate blanks. Then place each sentence in a logical order beginning wi
sergij07 [2.7K]

Answer:

c. Beginning with the return from the systemic circulation, blood enters the <em>right atrium. </em>

a. Blood enters the right ventricle from the right atrium through the right atrioventricular valve which is also known as the <em>tricuspid valve</em>

d. The right ventricle contracts next, which forces blood up through the right semilunar valve which is otherwise known as the <em>pulmonary valve .</em>

e. After circulating through the <em>pulmonary capillaries</em>, the blood returns to the <em>left atrium. </em>

f. From the left atrium, blood moves through the left <em>atrioventricular valve </em>which is also referred to as the <em>bicuspid</em> or mitral valve.

b. From the left ventricle, the blood is pumped up to <em>aorta</em> the through the left semilunar valve which is sometimes referred to as the <em>aortic valve</em>.

Explanation:

c. Beginning with the return from the systemic circulation, blood enters the <em>right atrium. </em>

a. Blood enters the right ventricle from the right atrium through the right atrioventricular valve which is also known as the <em>tricuspid valve</em>

d. The right ventricle contracts next, which forces blood up through the right semilunar valve which is otherwise known as the <em>pulmonary valve .</em>

e. After circulating through the <em>pulmonary capillaries</em>, the blood returns to the <em>left atrium. </em>

f. From the left atrium, blood moves through the left <em>atrioventricular valve </em>which is also referred to as the <em>bicuspid</em> or mitral valve.

b. From the left ventricle, the blood is pumped up to <em>aorta</em> the through the left semilunar valve which is sometimes referred to as the <em>aortic valve</em>.

3 0
3 years ago
What does the term MRSA stand for? In what way could this term be considered<br>misleading?​
schepotkina [342]

Answer:

MRSA stand for Methicillin-resistant Staphylococcus aureus.  A type of bacteria that is resistant to several antibiotics.

Explanation:

7 0
3 years ago
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