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4 years ago

What effect do calcium ions have on the water in ecosystems?

Biology

2 answers:

wlad13 [49]4 years ago

4 0

Answer:

It adds to the hardness

Explanation:

N76 [4]4 years ago

3 0

Answer: C, They add to its hardness.

Calcium is naturally dissolved in water, it can be found in water as Ca2+ ions and causes water hardness. Comes from rocks such as limestone, marble, calcite, dolomite, gypsum, fluorite and apatite. It can also be a ph stabilizer.

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Hairpins often form at palindromic sequences in single strands of either rna or dna. however, several key features differentiate

AlekseyPX

Hairpin like structures are formed in both DNA and RNA but are common in RNA than in DNA. This is because DNA can be double stranded or single stranded while RNA is generally single stranded structure that can be double stranded only when it forms a hair pin like structure.
The features of hairpin structure in RNA are as follows:
1. This structure is a building block of many secondary structures of RNA.
2. The termination sequence during transcription also forms a hairpin loop like structure.
3. tRNA also forms a hairpin loop like structure and helps in the process of translation.

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4 years ago

How and why -Name three common mixtures

Bogdan [553]

Its simple.. cereal, salad,soup... the teacher wants you to have three common mixtures because the teacher wants to see if you know what things are mixtures in your life. Why i choose CSS/ Cereal,salad,soup because You can drain the milk or take out the cereal.. from cereal, and with a salad you can take out one of the things Ex. Carrot, tomato, chicken, cheese (very hard but you can do it) e.t.c. and soup because you can take out the veggies or meat or noodles.

7 0

3 years ago

Which molecule is a reactant in the first step and a final product in the fourth step of the Calvin-Benson cycle?

Sveta_85 [38]

CO2molecule is a reactant in the first step and a final product in the fourth step of the Calvin-benson

6 0

4 years ago

How food wastage contributes to loss of energy and global warming

Tpy6a [65]

It contributes to global warming by wastage of food produces carbon dioxide which releases more green house gases so the more wastage the more carbon dioxide being released.

You can also look at for more http://www.azocleantech.com/article.aspx?ArticleID=538

8 0

4 years ago

31. The data in the accompanying graph show evidence of disease in the human body. D 38 - - E Body Temperature (°C) 377 А IDOT B

shepuryov [24]

Homeostasis keeps the organism in a dynamic equilibrium within the homeostatic range. A disruption in dynamic equilibrium is indicated by the temperature change between point C and D. Option C is correct.

<h3>What is homeostasis?</h3>

Homeostasis is the organism's capacity to keep the body in constant internal equilibrium, even when the external environment is oscillating.

Homeostasis is critical to keep the correct internal functioning of the body.

Different functions -blood pressure, body temperature, respiratory rate, and blood glucose levels, among others- are kept in a restricted range around a reference point, even though external conditions may be changing.

When a sudden change occurs in the internal functioning that disturbs this equilibrium, the organism counters it back by negative or positive feedback.

<h3>Graph interpretation</h3>

In the exposed graph we can see,

The restricted range of homeostasis at a constant temperature around 37ºC.

Six reference points (A-F) withing 12 hours.

Dynamic equilibrium is kept in the range of homeostasis around 37ºC, excepting for point D that reaches 38ºC.

The references point A, B, and C suggest that during the first 10 hours, approximately, the body was in equilibrium.

A change in the internal functioning broke the equilibrium, rising temperature to 38ºC, out of the homeostatic range.

The organism took the internal values to their original state, and at points E and F, the organism was in equilibrium again.

A disruption in dynamic equilibrium is indicated by the temperature change between point C and D.

You can learn more about homeostasis at

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7 0

3 years ago