Answer:
Explanation:
the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected. is called environmental pollution.
biodegradable substance are those which decompose naturally left beneficial
to the environment and are used by
but non biodegradable resources are the waste which do not decompose naturally. these waste cause pollution to the environment resulting harmful effect on living beings.
Sewage and agricultural waste are biodegradable waste.
Answer:
múltiple allele because the offspring have alleles from both parents
Explanation:
is the C).
Total number of different committees = C(14,6) = N
We have two cases where we have less than 2 teachers.
case 1: 1 teacher (out of 5)
Number of ways to choose 1 teacher = C(5,1) = 5
Number of ways to choose the remaining members from students = C(9,5)
Total number of ways to choose a committee with exactly 1 teacher = 5C(9,5) = N1
case 2: no teacher
Number of ways to choose 6 students = C(9,6) = N2
Probability to choose at least two teachers
= (N-N1-N2)/N
=109/143
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Answer:
In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems. Abiotic factors and the phenomena associated with them underpin all biology.
Five common abiotic factors in the enviroment are atmosphere, chemical elements, sunlight/temperature, wind and water.
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Explanation:
