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Ostrovityanka [42]
2 years ago
5

Design an experiment to test the effect of aeration on the growth of roots of bean seedlings. In your

Biology
1 answer:
Ivahew [28]2 years ago
3 0
One hypothesis can be that there is an effect of aeration on the growth of roots of bean seedlings.

Control group: has "no aeration"
Experimental group: has the aeration treatment

Dependent variable: growth can be measured in the length of the seedlings probably in centimeters



Researching is composed of various explorations in utilizing the scientific method in the process. It also, answers any scientific inquiry with the use of scientific method. Research enables and promotes the scientific community at a larger scale. Contributing and collaborating knowledge all-over the people and persons in science. Researches play a big role in everyone’s academic identity because 
<span>1.       It actively makes the individual scientific in approach to things of curiosity and makes him/her use the knowledge to study and produce results which</span> <span>
2.       The scientific society will benefit by this particular study and can work together to better explore and discover.   </span><span> </span>
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A bumblebee helps plants reproduce by carrying pollen from a flower on one plant to a flower on another plant. Which reproductiv
Cloud [144]
Well in all terms it would be considered plant reproduction. They carry this pollen and seeds and fly across land spreading it to other flowers causing it to grow which is sexual production. Plants and fruit has reproductive organs which are their seed formations.
4 0
3 years ago
The term alternative energy best discibes?
Serggg [28]

Answer:

Renewable & Alternative Fuels

Explanation:

Includes hydropower, solar, wind, geothermal, biomass and ethanol.

8 0
2 years ago
Which of the following does NOT
Kazeer [188]

Answer:

D. Lots of vegetation

Explanation:

Urban heat islands form when cities replace natural land cover with dense concentrations of heat-absorbing pavement, buildings, and other surfaces. This has the impact of raising energy prices (for example, air conditioning), air pollution levels, and heat-related sickness and mortality.

8 0
1 year ago
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Hormones that help regulate blood calcium levels are made by the A. parathyroid gland. B. pancreas. C. thymus gland. D. adrenal
Kryger [21]
The correct answer is A, parathyroid gland.

The parathyroid hormone is secreted by the parathyroid gland which <span>inhibits osteoblasts, stimulates osteoclasts,</span> reduces the calcium output by the kidneys and promotes absorption of the calcium by the small intestines. Calcitonin, secreted by the thyroid gland, also works to a similar effect.
7 0
3 years ago
How are plant cells and human cells different?
jeka57 [31]
It is c I believe cause the human cells can’t make their own food like plants do when they photosynthesis
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