Answer:
The answer is A, an object must reflect light.
Explanation:
You can't see anything if there isn't any light to see. Therefore something would have to reflect light in order for us to see it. Hope this helps!
Answer:
D. Work habits; schedule more time for studying
Explanation:
Finals are coming up, and the passage does not state her doing anything even though it is the most important thing for her at the moment
Answer:
For example, TH2 cells directly stimulate B cells to class switch, producing immunoglobulin isotype IgE, which is useful in targeting parasitic worms.
Explanation:
Immunoglobulin E, or IgE, is a protein present in low blood concentrations that is usually found on the surface of some blood cells, especially basophils and mast cells, for example.
Because it is present on the surface of basophils and mast cells, which are cells that normally appear in higher blood concentrations during allergic reactions, IgE is usually related to allergies; however, its concentration may also be increased in blood due to diseases caused by parasites. and chronic diseases, such as asthma, for example. This is because TH2 cells directly stimulate B cells for class switching, producing the IgE isotype of immunoglobulin, which is useful in targeting parasitic worms.
Answer: A
Explanation: The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.
Your answer would be: Carbohydrates
Carbohydrates is a major source of energy.
Types of Carbohydrates:
•Corn Syrup
•Brown sugar and raw sugar
•Glucose, etc
•Fruit juice
All of these are type of Carbohydrates, which gives your body a bunch of energy. Carbohydrates are always great for consumption when you need energy that will last you the whole day.