359 Best Science Questions and Answers (Q&A) - ProProfs Discuss

How much atmospheric pressure can the human body take?

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

2703 views

What is the scientific name of corn?

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

2172 views

Which instrument is used to measure temperature?

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

1869 views

What is the study of stars called?

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

1624 views

What are the seven life processes?

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

1620 views

How do you separate iron filings from talc powder?

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

1599 views

What is the amount of matter in an object?

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

1201 views

Did Galileo get murdered by the Roman Catholic church for his scientific explanations?

D.Anthonyda
Answered: Feb 08, 2018

Galileo Galilei was born in February of 1564 and he died in January of 1642. He is best known for his scientific ideas, theories and inventions. These included his theory on tides and the theory...Read More

7 Answers

1198 views

What is the process responsible for producing photons in a diode laser?

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

1138 views

How do wasps hold on to stems while sleeping?

Cambron bill
Answered: Feb 03, 2023

With Jaws

1 Answer

1076 views

What should the absorbance be if light is passed through the same solution at the same wavelength and the light path is reduced to 1 cm?

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

1048 views

What is absent when coal is formed?

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

985 views

How does excitatory postsynaptic potential (EPSP) in a typical neuron occur?

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

983 views

Why a man sitting in a moving bus suddenly moves forward when the bus suddenly stops?

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

928 views

What is the correct sequence of the levels of organization?

D. Smith, Musician
Answered: Jan 13, 2021

The answer is cell, tissue, organ, system, and organism. The term cell refers to the basic unit of all living things. In other words, all living things are made up of cells, just as an atom is...Read More

8 Answers

894 views

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