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ddd [48]
3 years ago
8

What is one problem chemical fertilizers cause for farmers

Biology
2 answers:
Alik [6]3 years ago
6 0

Explanation:

  • Excessive use of chemical fertilizer reduces the productivity of farming land.
Fiesta28 [93]3 years ago
4 0
  • Using chemical fertilizers in excess amount harms the soil and reduces its productivity.
  • The fertilizers are flown in rain water and mixed with river which becomes harmful for aqueous animals
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When a parent is trying to get child to eat vegetables and say yummy the parents are using what food preference?
Luden [163]
They r trying to infer that “Broccoli” is delicious
7 0
3 years ago
New England was a neighbor to which geographical area 220 millions ago ?
Vadim26 [7]

New England was a neighbor to North Africa 220 millions ago.

As looked down upon by the space, it is found that new England and North Africa are immediate neighbors. It took over millions of years or the continents to move apart. The gap left between them was eventually filled by the Atlantic Ocean.

8 0
3 years ago
List molar concentrations (0.0 M, 0.2 M, etc.) at which water entered the potato strips. Why did water move into the potato stri
kati45 [8]

Answer:

- Water entered the potato strips because the potato cells contained higher concentration of solutes than its external environment.

- The solutions are hypotonic to the solution in the potato cells.

Explanation:

According to osmosis, water will move from a region where it is high in concentration to that region where it is low in concentration. However, a region with high solute concentration contains a low water concentration and vice versa.

Hence, according to this question, water is said to move into potato strips from solutions of molar concentrations like 0.0M, 0.2M etc. Water moved into the potato strips because potato cells contained higher concentration of solutes than its external environment. This means that the external solutions are HYPERTONIC i.e. low in solute concentration to the solution in the potato strips.

8 0
3 years ago
A student planted bean seeds in 3 identical pots. She labeled the pots A, B, and C and she gave all of them 125mL of water. She
madam [21]

Answer:

She places one pot in a sunny window, one under normal classroom lights, and one in a dark room.

Explanation:

An independent variable is the only thing that changes in a proper experiment.

6 0
3 years ago
URGENT!! PLEASE HELP!!!
nadya68 [22]
In complementary base pairing, the G pairs with C, and A pairs with T. Given that this be the rule, the complementary nucleotides for your sequence would be as follows: CGATTAACGTAGGCA.

With regards to proofreading, mutations in cell division occur once in around every 100,000 base pairs. If this happens, the enzyme that pairs the nucleotides to form DNA, called DNA polymerase, detects the error and moves back along the strand, it then cuts the incorrect nucleotide and replaces it with the correct one, fixing the error and continuing with the DNA synthesis.
This process corrects the majority of errors in DNA synthesis, but some errors can still be missed by the DNA polymerase, this is then rectified by a protein complex which binds to the incorrect pairing until anther complex, comes along and cuts that particular section of DNA out, which is then replaced by a new section of correct nucleotides synthesized by the polymerase enzyme, the two sections at either end that were cut is then sealed by ligase, an enzyme which essentially "glues" the DNA stands back together.

My apologies for the long answer, I hope I answered your question and that you understand it well enough.
3 0
3 years ago
Read 2 more answers
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