Answer:
A. Swahilli
Explanation: Swahili developed as a common coastal language as early as the thirteenth century and has been greatly influenced by Arabic. It easily incorporates foreign words (primarily from Arabic, Hindi, Persian, and English) and consequently has been considered the most flexible of all languages in East Africa.
The Equator is the imaginary line that encircles the Earth and is equidistant from the North and South Poles.
1-The total length of the coastline of India is 7,516.6 km. India shares its border with seven countries namely Afghanistan, Pakistan, China, Bhutan, Nepal, Myanmar, Bangladesh, Maldives and Sri Lanka.
2-The countries that are larger than India are Russia, Canada, U.S.A, China, Brazil and Australia. Russia is the largest among all countries. The area of the Country Russia is of 17.09 sq.km, and India has an area of 3.28 sq.km.
Answer:
a) calculating the concentration at which 50% of the test organisms of a particular species die
Explanation:
Bioassays -
<u>Bioassays is an analytical method to assess the effect of marine pollutant on the organism by estimating the concentration at which 50% of the test organisms die after exposing the test organisms for a specified time.</u>
It can be done by quantitative or by qualitative experiment , or direct or indirect .
It is used to detect the biological hazards or give the quality assessment of the mixture .
It is also used for the monitoring the quality of water .
