| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.13 |
| Score | 0% | 63% |
Minerals, vitamins, and fiber are:
carbohydrates |
|
proteins |
|
macronutrients |
|
micronutrients |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.
50°F is how many °C?
-10 |
|
122 |
|
10 |
|
58 |
The formula to convert from F° to C° is:
\(C° = {5 \over 9} (F° - 32)\)
plugging in our values gives:
\(C° = {5 \over 9} (50 - 32)\)
\(C° = {5 \over 9} (18)\)
\(C° = {90 \over 9}\)
\(C° = 10\)
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
capillaries |
|
diaphragms |
|
bronchioles |
|
blood cells |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
Which of blood component carries oxygen?
plasma |
|
red blood cells |
|
platelets |
|
white blood cells |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
During the water cycle, water enters the atmosphere as a gas through which process?
transpiration |
|
both evaporation and transpiration |
|
evaporation |
|
precipitation |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.