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2 years ago

In which situation would osmosis most likely occur

Biology

2 answers:

Vadim26 [7]2 years ago

4 0

Answer:

Osmosis occurs until the concentration gradient of water goes to zero or until the hydrostatic pressure of the water balances the osmotic pressure. Osmosis occurs when there is a concentration gradient of a solute within a solution, but the membrane does not allow diffusion of the solute.

Explanation:

fenix001 [56]2 years ago

3 0

Osmosis is the net movement of water across a selectively permeable membrane driven by a difference in solute concentrations on the two sides of the membrane. A selectively permiable membrane is one that allows unrestricted passage of water, but not solute molecules or ions.

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Hunt and her team designed an experiment to test her hypothesis about the effect of BPA on mice. They administered daily doses o

katovenus [111]

Answer and Explanation: The figure below shows the doses of BPA administered to the female mice over time.

An experiment is used to determine cause and effect among variables. When the research is for the impact of a treatment, researchers randomly separate individuals in two groups:

Control Group doesn't receive any treament or a placebo or a treatment whose outcome is already known;
Treatment Group receives the treatment;

For the female mice on the image below, in the First Group is not injected any dosage of BPA, so they are the control group, while the others are treatment group.

The variables in a experiment are classified as independents or dependents:

Independent Variable is the cause;
Dependent Variable is the effect;

For the BPA research, since it is the effect of BPA over time on the mice's cells it is being investigated, dosage of BPA is the independent variable and time is the dependent variable.

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2 years ago

Which option uses the monitoring method to check the growth of invasive species? A introduction of a predator species B digging

tatiyna

The answer is A. Invasive species are species that thrive unregulated in an introduced environment/ habitat and affect the biodiversity of the environment. They boom unchecked mostly due to lack of a natural predator. Therefore, introducing a predator will limit their growth.

4 0

2 years ago

Read 2 more answers

How are radioactive isotopes used to date rocks? ...?

Stolb23 [73]

Some isotopes, however, decay slowly, and several of these are used as geologic clocks. Dating rocks by these radioactive timekeepers is simple in theory, but the laboratory procedures are complex. All methods rely on the fact that certain elements (particularly uranium and potassium) contain a number of different isotopes whose half-life is exactly known and therefore the relative concentrations of these isotopes within a rock or mineral can measure the age.

8 0

3 years ago

1pt Salts dissociate into component ions when placed in

dexar [7]

Answer:

D. Water

Explanation:

the covalent bonds of water are stronger than the ionic bonds in the salt molecules so they dissolve.

8 0

2 years ago

In Illinois, the two most common crops grown are corn and soybeans. Corn is a that depletes the soil of nitrogen. Soybeans are a

lina2011 [118]

Answer:

Farmers definitely use the information above to plan out their crops from one year to next.

Explanation:

Nitrogen is an essential nutrient required for healthy plant growth. Corn is an important food crop and after its cultivation the soil is depleted of its nitrogen. Cultivation of any crop on soils that lack nitrogen will not yield good result.

Thus the nitrogen in the soil has to be replenished. Soybean is a crop that has symbiotic bacteria living on its roots. This bacteria help in fixing atmospheric nitrogen. Thus the nitrogen level will get replenished.

Thus cultivating soybean on the land in the period between harvest and sowing of corn would be a healthy practice that increases yield and maintains soil health. 

7 0

3 years ago