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Science Questions and Answers (Q&A)

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

2840 views
H.Jennifer
Answered: Apr 23, 2018
An atom that gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion. Some atoms lose electrons and become positive ions. Others gain electrons and...Read More

3 Answers

2808 views
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

2413 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

1945 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

1927 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

1767 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

1712 views
D. Ronald, Writer
Answered: Feb 11, 2019
In different parts of the world, the seasons are different. People all over the world experience different types of weather even though they may be in the same season. For instance, people in...Read More

2 Answers

1495 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

1404 views
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

1357 views
M. Klose, Content Writer
Answered: Nov 06, 2018
Cloning is a scientific term that has been around for several years. It began when a sheep was cloned. This meant that an identical replica of the first sheep was produced by using the cells from...Read More

3 Answers

1333 views
T. ADAMS, Senior Executive
Answered: Sep 18, 2019
The correct answer to this question is Neptune. There are eight planets, and Neptune is the furthest away. It is a gas giant. Experts believe that before it's current position, Neptune was...Read More

4 Answers

1215 views
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

1206 views
A. Cook, English Professor
Answered: Jan 02, 2019
The correct answer is plane mirror.
Plane mirror shows lateral inversion of light. Lateral inversion refers to the image seen which is inverted in terms of left and right. The left part of...Read More

2 Answers

1202 views
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