Answer: The clumps, known as glacier mice, have been found to contain miniature ecosystems
Explanation: Because glaciers are in constant, if slow, motion and are frequently blasted by strong winds.
The clumps, known as glacier mice, have been found to contain miniature ecosystems. And even in freezing temperatures, scientists found, the inhabitants manage to thrive. In high winds glacier mice, which form when clumps of dust and organic debris develop a layer of moss over time, hop across vast sheets of ice.
What organisms live in glacier mice?These included springtails (small insect-like animals), water bears (also known as tardigrades, the only animals known to have survived in space), and roundworms. Globally, glacier mice are rare.
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Methane (CH4) is a gas that is found in small quantities in Earth’s atmosphere. Which type of bonds does methane have, and why does one carbon atom bond with four hydrogen atoms? In three to five sentences, explain your answer in terms of valence electrons and electronegativity.
In methane, the covalent bond is present between one carbon and four hydrogen atoms.
What is methane?Methane is the simplest form of saturated hydrocarbons. Methane is an odorless gas as well as a colorless gas. It has one carbon and four hydrogen atoms which is why methane is also called a tetrahedral molecule.
CH₄ is the chemical formula of methane and is a non-toxic but flammable gas. From the tetrahedral structure of methane, we can see that a carbon atom is bonded to four hydrogen atoms.
One molecule of methane contains four covalent bonds. Each covalent bond is formed between the carbon and one hydrogen atom. The formation of a covalent bond between carbon and hydrogen is due to the small electronegativity difference between carbon and hydrogen.
In this way, carbon completes its octet and hydrogen completes its duplet. Therefore, the covalent bond is formed between one carbon atom bond with four hydrogen atoms in methane.
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HELPPPPP
50 points
10. Fill in the blanks in the table below about an atom's subatomic particles.
A. electron, B. Nucleus
Proton is positive charge, electron is negative charge
proton weight, 1 AMU
How many moles of Oz would be required to generate 13.0 mol of NO2
in the reaction below assuming the reaction has only 74.1% yield?
2 NO (g) + O2 (g) → 2 NO2 (g)
Answer:32
Explanation:
Have a nice day :)
Mg + 2HCl ---> MgCl2 + H2
How many grams of MgCl2 would result from a reaction involving 24.31 g of Mg?
assumed that all of the initial Mg had reacted, therefore the total amount of Mg had transferred into Mg2+ in MgCl2
Molar mass for Mg is 24.31 g/mole and MgCl2 is 95.21 g/mole
--> nMgCl2= nMg = 24.31 g ÷ 24.31 g/mole = 1 mole
--> so the mass of MgCl2 = 1 mole × 95.21 g/mole = 95.21 g
Using the periodic table, complete the ya me to describe each atom. Type in your answers.
Answer:
Explanation:
Using the periodic table, complete the table to describe each atom. Type in your answers. - 14514242.
PLEASE HELP!!
What kind of metal is Co?
Alkali Metal
Transition Metal
Alkaline Earth Metal
Answer:
I believe Cobalt is a Transition Metal.
Answer:
answer is transition metal
Nguyên tử nguyên tố sắt có 26e
a. Viết cấu hình e của sắt
b. Sắt thuộc nguyên tố s,p,d,f
Answer:
1s2 2s2 2p6 3s2 3p6 3d6 4s2
Explanation:
What is the wavelength of a radio wave that has a frequency of 9.40 X 10^8Hz?
3.1
I need help with this can you help me?
Answer:
This is the answer but I'm sure from all answers. I hope my answer help you.
If a proton is added to the nucleus of germaium what out comes would acure
If the temperature of a liquid increases, how is the average kinetic energy of
the liquid affected?
o Increase
o Remains the same
o Decrease
.
Which of the following describes Pluto?
1. asteroid
2. moon
3. planet
4. dwarf planet
Answer:
4. dwarf planet
Explanation:
Which of the following has electrons in a d orbital?
Mg
Si
Cr
Са
I need help pleaseee
Design a procedure to test whether the honey that your mother bought from the
supermarket is pure honey or not.
Answer:
i would test it and get real honey to see if the ingredients are the same
Explanation:
Explanation:
Water Test: In a glass of water, put a spoon of honey, if your honey is dissolving in water then it's impure. Pure honey has a thick texture that will settle at the bottom of a cup or a glass. –Vinegar Test: Mix a few drops of honey into vinegar water, if the mixture starts to foam, then your honey is impure.
Which of the following is a liquid someone help!!!!!
THE ANSWER IS ON THE PICTURE HOPE IT HELPS
The diagram shows the box for an element in the periodic table.
What is the atomic mass of the element shown?
A. 11
B. 23.0
C. 34.0
D. 12
A
Explanation:
sodium is a chemical element with the symbol and the atomic number is 11
Someone pls help me I will make you brain
Answer:
the first one
Explanation:
hope this helps
Which element is named after a scientist?
Write down the names, physical properties, and inertness of NOBLE GASES ( group no. 8)
Note:
*Please don't copy from anywhere
*50 POINTS!!!!!!!!
Answer:
There's No Answer Im Sorry
During the work-up step, aqueous hydrochloric acid is added to the reaction and a gas is observed. what is the composition of the gas?
The gas likely composed of Hydrogen
Hydrogen is one of the most abundant elements that exist in the world and its natural state is a gaseous state. This means hydrogen can be in other states such as liquid or solid if bonded with other elements but it is not its natural state.
For example:
Ice is solid and it contains both hydrogen and oxygen
Hydrochloric acid is usually liquid and it contains Chlorine and Hydrogen
Because of this, during reactions Hydrogen has a tendency to break its bonds with other elements and return to its gaseous state. Based on this, it is likely the gas in this reaction is hydrogen.
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Q4. What are the different ways in which human being use rocks ?
Answer:
To hit someone on the head
Explanation:
self protection
Facts about radiation in the human body
Answer:
How Radiation Affects Your Body. Radiation can damage the DNA in our cells. High doses of radiation can cause Acute Radiation Syndrome (ARS) or Cutaneous Radiation Injuries (CRI). High doses of radiation could also lead to cancer later in life.
Because radiation kills rapidly dividing cells (which is why we use it to treat fast-growing cancer cells), radiation exposure most increases the risk of cancers of rapidly dividing cells — leading to leukemia, lymphoma, breast cancer, bladder cancer, colon cancer, liver cancer, lung cancer, esophageal cancer, ovarian
Explanation:
Where is a mid-ocean ridge exposed above sea level?
Question 11 options:
Himalaya Mountains
Mariana Trench
The Big Island of Hawaii
Iceland
Answer:
ice land should be it
Explanation:
Answer:
Iceland is the answer.
Explanation:
(WORD BANK - Neap, gravitational, greatest, moon, high, Spring, low, Sun)
Ocean tides are caused by the ______________ pull of the _______ and the _______. The moon has the __________ effect on the tides. When the Sun, moon and earth are in a straight line, we
have __________ tides. When the Sun, moon and earth are at right angles we have _________
tides. Spring tides are especially _________ tides while neap tides are especially _________tides.
Answer:
Ocean tides are caused by the gravitational pull of the moon and the sun. The moon has the greatest effect on the tides. When the Sun, moon, and earth are in a straight line, we have Neap tides. When the Sun, moon, and earth are at right angles we have spring tides. Spring tides are especially high tides while neap tides are especially low tides.
Explanation:
brainliest please. . . <3
"A base is a substance that produce OH-ions." Which definition of a base is this?
A. Titration
B. Bronsted-Lowry
C. Arrhenius
D. Alkali
Answer:
C. Arrhenius
An Arrhenius base is a substance that dissociates in water to form hydroxide (OH–) ions. In other words, a base increases the concentration of OH– ions in an aqueous solution.
Explanation:
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Can liquid methane change phases?
Answer: Methane is a gas at standard conditions.
Explanation: However, at low temperature and/or high pressures the gas becomes a liquid or a solid.
Answer: yes
Explanation:
Why do humans have a tailbone? What could it tell us about our past?
Answer:
Monkey have tail we come from monkey
Answer:
The coccyx, or tailbone, is the remnant of a lost tail. ... The coccyx serves as an attachment site for tendons, ligaments, and muscles. Tailbones helped our ancestors with mobility and balance
Explanation:
Distinguish the endothermic and exothermic energy changes associated with ionic bond formation, and relate it to stability
Answer:
When ionic compounds are formed, energy is released which is exothermic energy. If the energy released during bond formation is reabsorbed, the ionic bond holding the positive ions and negative ions together will break apart which is endothermic energy.
Explanation:
The formation of an ionic crystal lattice from its constituent ions is an exothermic process.
Endothermic changes are energy changes in which energy is absorbed while exothermic energy changes are those energy changes in which energy is evolved.
During the formation of an ionic bond, the metal looses electron(s). This is an endothermic process. The nonmetal accepts electrons. This is an exothermic process.
When the ionic crystal is formed, energy is given out because the energy of the lattice is less than the energy of the isolated ions. This heat change is exothermic.
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d. Period 3 element with 6 valence electrons
Answer:
Sulfur is an element is Period 3 with 6 valence electrons.