Answer:
<u>valid</u>
Explanation:
A measurement is considered <u>valid</u> if it actually measures what it is intended to measure, according to the topic of the study.
Validity can be described as accuracy of something. Validity is measuring something which we are actually supposed to measure, whereas reliability shows how consistent or convenient are the results. Validity states how much accuracy is present in a statement, concept or measurement. The term 'valid' is known to be derived from a Latin word "validus" which means to be strong.
The right answer for the question that is being asked and shown above is that: "(4) the introduction of a species that has increased the long-term biodiversity of an ecosystem." This plant ruins fishing areas and interferes with boating and other water sports. This is an example of the introduction of a species that has increased the long-term biodiversity of an <span>ecosystem</span>
Answer:
acidic
Explanation:
anything below a 7 is acidic
anything above a 7 is basic
and 7 is neutral
The nervous system consist of the brain spinal cord and the brain .
Answer:
hydroelectric power
Explanation:
Hydropower is the most widely-used renewable power source, with the global hydroelectric installed capacity exceeding 1,295GW, accounting for more than 18% of the world's total installed power generation capacity and more than 54% of the global renewable power generation capacity.
