Biology, 19.12.2020 16:50, negritoboy014
Reason: In a healthy individual
5. Read the following and answer any four questions from 5 (i) to 5 (v):
Harmful and toxic chemicals enter our bodies when they are added to the soil
and water. Pesticides are used to protect the food crops from diseases and
pests, and chemical wastes from the factories are dumped in open or disposed
off in to rivers. These chemicals are washed down into the soil and are ultimately
taken up by plants and thus enter the food chain.
5(1). What will be the concentration of these chemicals at each trophic level in a
food chain?
5(ii). Justify your answer with one reason.
5(iii). What is the above phenomenon known as?
5(iv). Construct a food chain showing the amount of toxic chemicals at each
trophic level.
5(v). Give two examples of such toxic chemicals commonly used by farmers.
Answers: 1
Biology, 22.06.2019 03:00, mariaaalopezz
Discuss the functions of epithelial connective nerviud and muscular tissues
Answers: 3
Biology, 22.06.2019 04:50, mahogany139
What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.
Answers: 3
Biology, 22.06.2019 07:00, jedmnlp5xuks
Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit
Answers: 1
Biology, 22.06.2019 08:00, jazionaemontgomery
Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)
Answers: 1
Reason: In a healthy individual
5. Read the following and answer any four questions from 5 (i) to 5...
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