Answer:
a.moving herbicide resistance to weeds
Explanation:
Herbicides are chemicals that are used to kill unwanted plants that can affect the growth of crops. Herbicide resistant plants are those that do not die following exposure to a herbicide.
Moving herbicide resistance to weeds would mean that weeds do not die following herbicide treatment, which is not a desired effect of biotechnology. Therefore, a is correct.
E-coli bacteria which most useful in the routine monitoring of microbial pollution are gram negative rods and this is common indicator organism of water contamination.
It is important to identify enteric bacteria which is one of the major causes of diarrhea disease is bacteria and that detection of pathogenic bacteria is a global key to the prevention and identification of food borne diseases and enteric infections like diarrhea.
The extent of water contamination can be measured using these indicator organisms. This fecal coli-form group has been used as the most common indicator of general wastewater contamination because they are abundant and easy to identify.
To learn more about E-coli bacteria here
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Answer:
B. An idea supported by evidence.
Answer:
A. solar energy in the rays of sunlight
Explanation:
photons in the sunlight rays will excite the electrons in the water molecule and hence will provide the energy for calvin cycle.
Absolute dating can be determined by tree ring patterns.
<span>Dendrochronology or </span>tree-ring<span> <span>dating, is the scientific method of dating
based on the analysis of patterns of </span></span>tree rings, also
known as growth rings
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