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Science Questions and Answers (Q&A)

Matz Lewis Clark, College student
Answered: Dec 12, 2018
The scientific name of corn is “Zea mays”. Corn belongs to the:
Kingdom: Plantae, Division: Magnoliophyta, Class: Liliopsida, Order: Poales, Family: Poaceae, Genus: Zea and the...Read More

8 Answers

1993 views
H. Barnes, Unemployed
Answered: Jan 12, 2021
Humans survive a range of atmospheric pressures. Provided there is pure oxygen available, a human can still breathe in around 12.2 % sea level air pressure. At the other extreme, the normal...Read More

6 Answers

1884 views
L. Brett, Sales Manager
Answered: Jan 26, 2021
The instrument used for measuring temperature is a thermometer. Temperature generally can be defined as the state or degree of heat or coldness within a substance which can be measured. The...Read More

8 Answers

1810 views
E. Dixon
Answered: Sep 30, 2020
The correct answer to this question is astronomy. This field of study was discovered by Nicolaus Copernicus. Astronomy combines a number of other subjects, including chemistry, math, and physics....Read More

9 Answers

1387 views
H. Barnes, Unemployed
Answered: Jan 12, 2021
The amount of matter in an object is known as mass. In physics, the term mass refers to the quantity of matter which a body contains regardless of its volume. While the basic SI unit for...Read More

6 Answers

1129 views
H. Barnes, Unemployed
Answered: Jan 12, 2021
The best way to separate iron filings from talc powder is by using a magnet. This idea or separation technique is very simple because by moving a magnet over a mixture of iron filings and talc...Read More

7 Answers

1108 views
J. Goodman, Web Content Writer
Answered: Oct 10, 2018
This is the process wherein the electron that has become overly excited is brought back to the valence band but this time in an empty spot. This empty spot is known as the hole. Take note that...Read More

3 Answers

938 views
C.Dorothy
Answered: Apr 18, 2018
A voltage change from -70 mV to -69.5 mV
In neuroscience, an excitatory postsynaptic potential (EPSP) is a postsynaptic potential that makes the postsynaptic neuron more inclined to...Read More

7 Answers

878 views
H. Barnes, Unemployed
Answered: Jan 12, 2021
The best way to answer this question is by using a formula. The formula to use here is Absorbance= eLc (where e is the molar extinction coefficient, L is the path length, and c is the...Read More

7 Answers

875 views
C. Reyes
Answered: May 15, 2018
There really is no difference between gasoline and petrol. Both words refer to the same thing which is the fuel that is used in an internal combustion engine. In the United States and Canada,...Read More

7 Answers

753 views
Matz Lewis Clark, College student
Answered: Jun 07, 2019
A fact is something that has been deemed truthful based on some scientific studies. A myth is something that is not proven to be true at the present time. Some even say that a myth is not true at...Read More

5 Answers

718 views
C. Perez, Writer
Answered: Jan 12, 2021
The reason for this can be explained using Newton's first law of motion. The law states that a body will continue to be in a state of uniform motion unless it is acted upon by an external force....Read More

9 Answers

705 views
B. Mary, Health Care manager
Answered: Jan 18, 2021
Coal is a sedimentary rock that is created from the buildup and conservation of plant material. This creation takes place in a swamp environment. Coal is one of the three most important fossil...Read More

5 Answers

678 views
Malcolm Carneal, Digital Nomad
Answered: Jun 27, 2019
The correct answer to this question is organ system. As the name suggests this system is made from a group of organs. These organs work together to carry out functions in the body. There are...Read More

2 Answers

628 views
B. Mary, Health Care manager
Answered: Jan 18, 2021
There are seven life processes, including movement, as both animals and plants must have the ability to move. Respiration is the process of acquiring energy from the foods we eat. Respiration is...Read More

6 Answers

625 views
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