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torisob [31]
3 years ago
12

The water table is ________.

Biology
1 answer:
ladessa [460]3 years ago
3 0

Answer:

is the surface where the water pressure head is equal to the atmospheric pressure

Explanation:

is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water.

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3 years ago
A television advertisement claims that a certain brand of cough drop reduces coughing for 8 hours. Describe an investigation tha
Liono4ka [1.6K]

Answer:

See explanation below.

Explanation:

<em>Study Design - Partially double-blinded study</em>

  • The <u>cohort study </u>will be composed of 80 adults (aged ≥18 years) with a clinical diagnosis of constant coughing present as a result of a cold, which would be measured by semiautomated ambulatory cough monitor.
  • This study will be divided into an experimental group and a control group:
  1. No medication (natural drops; <em>e.g.</em> water; saline solution) - <em>Control group </em>
  2. Cough treatment - <em>Experimental group</em>
  • Data to be collected:

Participant cough will be recorded <u>every hour</u> (until 8 hours are reached) for two consecutive days (for repetitions) in both groups using semiautomated ambulatory cough monitor and analyzed statistically.

  • Observations:

Experimental group: <u>If coughing is significantly (statistical analysis) reduced within the 8 hours </u>(<em>after repetitions</em>) and a symptom improvement is observed, <u>the hypothesis that cough drops are effective is valid</u>.

Control group: To determine that cough drops treatment is effective, the no-treatment group should score worst and participant should not show significant improvement.

*<em>In scientific experiments, repetitions are important to prevent bias and error.</em>

6 0
3 years ago
The stems and for called bromelai vegetables brou and fruits of pineapple plants contain a group of protein-diresting enzymes co
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Answer:

a .Bromelain extract is a blend of protein-processing (proteolytic) chemicals and a few different substances in littler amounts. The proteolytic catalysts are sulfhydryl proteases; a free sulfhydryl gathering of a cysteine amino corrosive side chain is required for work. the monomer of this enzyme is aminoacid.

b.Bromelain isolates the amino acids in the compounds that cause browning by breaking the peptide bonds.

7 0
3 years ago
Which is greater 1,000 ml or 1,000 cm?
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4 0
3 years ago
What is the process in which humans breed organisms for certain traits? A:descent without modification
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D: artificial selection
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