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Orlov [11]
2 years ago
8

Will give BRAINLIEST question is in the pic​

Biology
1 answer:
Setler79 [48]2 years ago
6 0

Plants:

1. Most plants respond to the environment by growing towards the light.

2. Plants respond to daily and seasonal cycles and diseases.

Flatworms:

1. Flatworms respond to changes in light.

2. Flatworms adapt to marine life by using diffusion to breathe and to distribute nutrients to other parts of the body.

Humans:

1. The nervous system allows an organism to respond quickly to changes in the internal or external environment.

2. Some humans modify the environment (positively or negatively), such as cutting forests, building dams, and expanding urban areas, etc.

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The pH of a solution containing 0.1 mM H+ is _______ ( 1mM = 10-3M)
Taya2010 [7]

Answer:

The pH of a solution containing 0.1 mM H+ is 4

Explanation:

The pH of any solution is given by the following mathematical equation -

pH = -log[H_{+}]\\----------- Equation (A)

Where,

H_{+} = the concentration of hydrogen ion in the solution.

Given

H_{+}

= 0.1mM\\=0.1 * 10^{-3}\\= 10^{-4}\\

Substituting the given value in equation (A) , we get -

pH = -log[10^{-4}]

= -(-4)\\= 4

Hence, The pH of a solution containing 0.1 mM H+ is 4

8 0
3 years ago
Which of the following would be least effective in controlling soil erosion caused by wind and water?
tangare [24]
I think c is the answer but I’m not sure
7 0
3 years ago
Read 2 more answers
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lara31 [8.8K]
Okay, so how well do you understand the reading? According to the condensation excerpt, the fourth choice for the fiest question would be the answer. And as for Question 12, the third option would be the answer because the balloon got bigger when the gas was heated ans smaller when the gas was cooled.
3 0
3 years ago
red blood cells are placed in water that has been distilled so there are no solutes dissolved in the water. Are the red blood ce
makvit [3.9K]
Red blood cells will swell and burst. The reason behind this is that red blood cells are okay when they are in the plasma (the watery part of the blood) because the solutes in plasma are so  well balanced that plasma is rendered isotonic. An isotonic solution is a type of solution that has the same salt concentration as its surrounding environment and thus the substances around it e.g. cells neither gain nor lose water. In the blood plasma, the red blood cells neither lose nor gain water  and so they remain intact.<span>However distilled water is hypotonic (has less or no solutes) and therefore osmosis will take place when red blood cell which have a higher solute concentration are placed in it. Water molecules will leave the distilled water and pass into the red blood cells through the semi-permeable membrane of the cells in an attempt to equalize the difference in osmotic pressure on either side of the membrane. In so doing, water will accumulate in the cell which will then swell to capacity and ultimately burst.</span>
3 0
3 years ago
In logistic growth (an s-shaped curve), how does the population growth rate change as the population nears its carrying capacity
azamat

The logistic growth curve is given by the differential equation,

\frac{dN}{dt} = rN(1-\frac{N}{k})

When the rate of change in population approaches the maximum carrying capacity, the curve starts to flatten or become saturated.

The left hand of the differential equation becomes zero and attains a steady state equilibrium at,

rN(1-\frac{N}{k}) = 0

(1-\frac{N}{k}) = 0

Hence, at N = k.

The right end of the logistic growth curve shows the flattening of the curve while reaching the maximum carrying capacity.

7 0
3 years ago
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