A student carried out an experiment to determine how different concentrations of sucrose solution will affect osmosis. The student set up dialysis tubing bags of different sucrose concentrations. Then the student massed the bags, placed them in beakers of distilled
water for thirty minutes, and then removed the bags. The masses were taken again and the percent change for each bag was
calculated. The results were graphed and are shown here. Which statements best summarize the experimental data. Choose all that
apply
A)
Low sucrose concentrations caused more water to move out of the bags.
B)
High sucrose concentrations caused more water to move out of the bags.
C)
Low sucrose concentrations caused more distilled water to move into the
bags.
High sucrose concentrations caused more distilled water to move into the
bags.
D)
E)
There is a correlation between sucrose concentration in the bag and the
rate of osmosis in the bag.

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

correct answer is a. and d.

estuaries are the partially enclosed coastal bodies of brackish water formed at the mouth of sea where river meets an ocean. it is a transition zone between river and sea water so estuaries are influenced to both marine environment such as tides, waves and to riverine such as flow of fresh water and sediments. the mixing of sea and fresh water provide high level of nutrients, making estuaries a high product habitats.

many estuaries suffers degradation from a variety of human activities like erosion from deforestation, overgrazing, overfishing, drainage and eutrophication.

so from the above statement answers will be

1. false as estuaries are formed due to both brackish and freshwater.

2.true, due to high productivity estuaries are breeding ground for many marine species.

3. direct and indirect activities of man that contribute to pollution and deposition of sediments.