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BaLLatris [955]
3 years ago
15

PLEASE HELP RIGHT NOW!! I NEED A SCIENCE GENIUS!!!!

Biology
1 answer:
Natali [406]3 years ago
8 0
The one that is 5m long is going to be longer and or shorter depending on where the sun. Both the 2m and 5m are going to be depended on which way the sun is facing. for example if you where standing outside and the sun was right behind you your shadow is going to be longer than a person who is shorter than you but if the sun is facing right above you will be the same height because of the way the sun is facing.
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HELP PLS
Finger [1]
Answer: Tropism

It’s a biological phenomenon indicating growth or turning movement of a biological organism, which is usually a plant.
3 0
3 years ago
In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer
kramer

Answer:

B) The conclusion is not valid; there were fewer bacteria cultures on the soap plates

Explanation:

In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer or soap and warm water for two minutes; then they dried their hands with a paper towel. The standard of comparison was rubbing hands vigorously for 2 minutes in warm water, without any soap or sanitizer, and then drying with a paper towel. The sanitizer advertisement claimed to kill bacteria more effectively than any soap. After washing, hands were swabbed and then the swab applied to a culture plate and incubated. Finally, the bacterial cultures were counted and recorded in the data table. Students concluded that the hand sanitizer was most effective in killing bacteria. How would you respond to the students' conclusion?

                 Hand Washing Test Hand Washing Test

Treatment                                 Bacterial cultures (#/plate)

Warm water                                           24

Hand sanitizer                                       28

Soap A                                                    12

Soap B                                                    13

The above table should have been included before the question. From the table we can conclude that

B) The conclusion is not valid; there were fewer bacteria cultures on the soap plates

Which also means that the sanitizer is not as effective as warm water. it is the least effective solution to kill bacterial.

7 0
3 years ago
An example of a population in which evolution could
pishuonlain [190]
It can be A I think it is
5 0
3 years ago
The use of non-local resources is associated with certain economic and environmental consequences.
Arte-miy333 [17]
Yeah the answer is true
6 0
2 years ago
Read 2 more answers
3. In the mid 1970s, Sherwood Rowland and Mario Molina predicted a thinning of the stratospheric ozone layer over Antarctica. Th
ivolga24 [154]

Answer:

Chlorofluorocarbon.

Explanation:

Chlorofluorocarbon is the chemical compound that is responsible for the thinning of ozone layer present in the stratosphere. This Chlorofluorocarbon is used in the refrigerators and aerosol sprays. The major environmental consequence of the depletion of stratospheric ozone is the melting of glaciers in the Antarctica. It also has adverse effect on humans because it is responsible for the skin cancer disease in humans. Breathing ground-level ozone can trigger a variety of health problems such as chest pain, coughing, throat irritation, and congestion.

6 0
2 years ago
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