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Rufina [12.5K]
3 years ago
11

Most bottled waters contain fluoride. most bottled waters contain fluoride.

Biology
2 answers:
cupoosta [38]3 years ago
6 0
The answer is True. That statement is correct. I hope this helps you!
Fudgin [204]3 years ago
4 0
Hello There!

Most bottled waters contain fluoride.

Answer: False.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
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How can prokaryotic cells be smaller than eukaryotic cells and still carry on all the functions of life?
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3 years ago
Microbial proteins with a strong specificity for a target cell that exert extremely powerful, and sometimes deadly, effects on t
Slav-nsk [51]

Toxins are microbial proteins with a strong specificity for a target cell that exert extremely powerful and toxic effects on that cell.

<h3>What are toxins?</h3>

Toxins are molecules that are produced by certain organisms which are deadly to other organisms when these organisms come in contact with them.

Toxins are produces mostly by microorganisms as well as some plants and animals such as fishes.

Toxins are mostly proteins products are usually specific for their targets cells.

Therefore, microbial proteins with a strong specificity for a target cell that exert extremely powerful, and sometimes deadly, effects on that cell are called toxins.

Learn more about toxins at: brainly.com/question/1235358

6 0
3 years ago
what will would happen if weed killer from factory were to pollute the lake. include aquatic food chain that can be affected
Aleksandr-060686 [28]

Answer:

lots of animals will die and it might affect are water usage

Explanation:

3 0
4 years ago
Biologists notice that a population of ferrets introduced into a reserve begins to show exponential growth. The figures represen
sesenic [268]

Answer:

A. 50, 88, 145, 227

Explanation:

The correct option would be option A.

<u>When something grows exponentially, it means the growth increased at a high rate. More specifically, each rate of increase results in more or less doubling of the preceding rate. For example, if the current value of growth rate is 2 for a substance that is growing exponentially, the next growth rates will be 4, 8, 16, etc.</u>

<em>In this particular illustration, the only option that best fit into an exponential system is option A in which the growth rate more or less doubles each time from 50 to 88, from 88 to 145, and then from 145 to 227.</em>

8 0
3 years ago
Describe the principal and procedure of spiral plating.
Inessa [10]

Answer and Explanation:

Principal of Spiral plating:In the spiral plate technique, a mechanical plater vaccinates the fluid sample on a pivoting plate agar. The volume of fluid sample decline from the inside to the edge of the plate. The microbial concentration is controlled by checking the provinces on a piece of the Petri dish.

A technique, portrayed for deciding the quantity of microorganisms in an solution by the utilization of a machine which stores a known volume of test on a pivoting agar plate in a consistently diminishing sum as an Archimedes spiral.

Materials used: agar plates, dilution blanks, pipettes

Method:

A spiral plater is a gadget that disperses a constantly diminishing volume of fluid over a solitary pivoting agar plate (the apportioning arm moves like a needle on a turntable, just in reverse). The agar is then hatched and checks are made. It can viably convey up to a 105 concentration range on one plate, yet list requires an uncommon tallying lattice. After the example is brooded, distinctive state densities are clear on the outside of the plate. A changed checking matrix is portrayed which relates zone of the plate of volume of test. By checking a proper territory of the plate, the quantity of microscopic organisms in the example is assessed.

6 0
3 years ago
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