Answer:
conservation of natural resources means the wise use of natural resources
Explanation:
which means not wasting it, use it in a proper way and find various method to conserve and follow it, such as like waste water treatment, rain water harvesting, afforestation, plant more trees, reuse, recycle etc
Answer:
Opportunistic infections
Explanation:
Opportunistic infections are infections that occur more frequently and are more severe in people with weakened immune systems, including people with HIV.
Answer:
A person's ability to reason speedily and abstractly is called: D. fluid intelligence.
Explanation:
The fluid intelligence means that congnitive process necessary to solve problems and learn, are explained with the terhiory of fluid intelligence. When a person is younger this activity is more likely to be produced. The theory of fluid intelligence says that the ability of abstracion and creativity in solving logical problems maybe dicrease by elderly ages.
<span>d. tarnishing is a chemical change. </span>
