| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.36 |
| Score | 0% | 67% |
__________ is caused by a lack of Vitamin C.
anemia |
|
diabetes |
|
scurvy |
|
shingles |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
The ozone layer is in which of Earth's atmospheric layers?
mesosphere |
|
thermosphere |
|
stratosphere |
|
troposphere |
The stratosphere is just above the troposphere and is stratified in temperature with warmer layers higher and cooler layers closer to Earth. This increase in temperature is a result of absorption of the Sun's radiation by the ozone layer.
Which of the following is a decomposer?
mosquito |
|
pine tree |
|
ferret |
|
fungi |
Decomposers (saprotrophs) are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals into simple nutrients.
"For every action, there is an equal and opposite reaction." This describes which of Newton's laws of motion?
first |
|
second |
|
fourth |
|
third |
Newton's third law of motion states that For every action, there is an equal and opposite reaction. When an object exerts a force on another object, the second object exerts a force of equal magnitude in the opposite direction on the first object.
Which of these is matter than cannot be separated into different types of matter by ordinary chemical methods?
molecule |
|
compound |
|
element |
|
atom |
An element is matter than cannot be separated into different types of matter by ordinary chemical methods.