Which materials typically make up the a horizon in soil?

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Answer 1

Answer: The A horizon is a surface horizon that largely consists of minerals (sand, silt, and clay) and with appreciable amounts of organic matter. This horizon is predominantly the surface layer of many soils in grasslands and agricultural lands.These materials typically accumulate through a process termed illuviation, wherein the materials gradually wash in from the overlying.

Related Questions

Air bags, which act as safety devices in cars, contain solid sodium azide. On impact, the sodium azide releasesnitrogen gas, which expands the air bag. The main benefit of using a gas instead of another type is that —A. gas molecules are subject to ionic bondingB. the separation of gas molecules is much greater than the volume they occupyC. gases won’t explode the bag on very hot daysD. gas molecules don’t transfer excess Kinetic Energy
Given that the molar mass of naoh is 40.00 g/mol, what mass of naoh is needed to make 2.500 l of a 2.000 m naoh solution? use molarity equals startfraction moles of solute over liters of solution endfraction.. 0.1250 g 5.000 g 32.00 g 200.0 g
In nuclear reactions, which of the following is likely to occur? Some of the mass is converted to energy. The products can weigh less than the reactants. There is no loss of mass in the reaction. a and b
What role in photosynthesis does chlorophyll play
This is an interaction in which two waves meet, matching crest to crest and trough to trough. The resultant wave will have an amplitude of the sum of the two.

Crystalline solids do not have a sharp melting point.

TRUE

FALSE

Answers

Answer:

False

Explanation:

A crystalline solid has a well ordered structure. The particles that make up the solid are arranged in a regular repeating pattern. When the solid is heated, this structure gives way, in order words, the solid melts.

Pure solids crystals are known to have sharp melting points. This is a property of crystalline solids.

The statement about “Crystalline solids do not have a sharp melting point” is false. Crystalline solids are solids that have particles arranged in a regular, repeating patterns. They are held together by uniform intermolecular forces. The faces intersect at a specific angle that identifies that substance. They have distinctive internal structures that in turn lead to distinctive flat surfaces. These flat surfaces give a short rage order. When exposed to x – ray diffractometers, they exhibit a distinctive pattern used to identify the material. They give the same face when you turn a crystalline solid around

Find the volume of a cube of zinc with the following dimensions 3.000 cm 3.1 cm 2.99 cm

Answers

i think it would be 27cm but im not sure, its been a while since ive done this -A

Final answer:

The volume of the cube of zinc is 27.687 cubic cm. Multiply the given dimensions together to find the volume of the 'cube' of zinc.

Explanation:

The question asks for the volume of a hypothetical cube of zinc with side lengths 3.000 cm, 3.1 cm, and 2.99 cm. While a cube should have all sides of equal length, we will proceed with the given dimensions. The volume of a rectangular parallelepiped (in our case, a cube-like shape) can be found by multiplying its length, width, and height together. So, the volume of this zinc 'cube' would be calculated as follows: 3.000 cm x 3.1 cm x 2.99 cm = 27.687 cubic cm.

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You discover a new type of gland associated with the skin. chemical analysis of the product shows a secretion has a ph of 4, consists of 99% water, and contains traces of normal electrolytes including urea, vitamin c, and dermicidin. there are no traces of fats or proteins. how would you classify this new gland?

Answers

This new gland would most likely be an eccrine gland, meaning it would be a sweat gland. They are found all over the body and can also be called merocrine glands.

This new gland would most likely be an eccrine gland, meaning it would be a sweat gland.
They are found all over the body and can also be called merocrine glands.

Explanation:
The 2 main forms of sweat glands are eccrine sweat glands and apocrine sweat glands.

Eccrine sweat glands are smaller sweat glands. they're volute cannular glands that discharge their secretions onto the surface of the skin sweat gland.
any of the rather tiny secreter that manufactures a fluid secretion while not removing protoplasm from the secreting cells which are restricted to the human skin is called eccrine sweat gland.

The nucleus of a radium-226 atom is unstable, which causes the nucleus to spontaneously(1) absorb electrons (3) decay
(2) absorb protons (4) oxidize

Answers

Answer: The nucleus of radium-226 is unstable and hence undergoes decay.

Explanation: Radium has many isotopes. One of them is $_(88)^(226)\textrm{Ra}$ which has 88 protons and 138 neutrons. It is a radioactive isotope and undergoes decay process.

This isotope undergoes alpha - decay and produces Radon-222 isotope.

Equation for alpha - decay follows:

$_(88)^(226)\textrm{Ra}\rightarrow _(86)^(222)\textrm{Rn}+_2^4\alpha$

Hence, the nucleus of radium-226 undergoes decay process.

The answer is (3) decay. An atom whose nucleus is unstable is said to be "radioactive," and its nucleus undergoes nuclear decay.

If a hypothesis is tested repeatedly and is not proven false it may next become a - A) Law
B) Rule
C) Theory
D) Higher

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Theory. It might be disproved in the future, so it can not be a law until it solid as a rock. Brainliest the answer and I will explain more.

The atomic number is what?

Answers

Atomic number is a number of protons found in the nucleus of an atom of the element. Atomic number must be used in Chemistry and Physics always.

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a cylinder with a moveable piston contains 0.553 mol of gas and has a volume of 253 ml. what is its volume if has 0.365 mol of gas in the cylinder. (assume constant temperature and pressure.)

Nonrenewable energy sources _____.can be quickly replenished are easily recycled can eventually be used up never cause pollution

What are geometric isomers?

Once released, acetylcholine is degraded by extracellular enzymes into what product(s)?A) acetate + choline B) acetyl CoA + choline C) methylcholine + acetate D) choline only E) acetate only