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nadya68 [22]
3 years ago
7

Which statement describes the blood type of a person with the alleles Ai?

Chemistry
1 answer:
lyudmila [28]3 years ago
5 0

Answer:

d i dont now but im sure my answer is d im not good to write english word

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.Florida phosphate accounts for ___ of the world's fertilizer supply?Immersive Reader
Stells [14]

Answer: 25%

Explanation: According to the Florida Industrial and Phosphate Research Institute, Florida’s phosphate mining  accounts for about 75% of the phosphate used in the United States, as well as about 25% phosphate used around the world.  Although first mined in England in 1847, and used as fertilizer, In  1881,  a civilian employee, J Francis Le Baron discovered Phosphate pebbles in peace river, and then, a hard rock phosphate district was discovered in north central Florida after that which began the Phosphate mining industry in Florida. Phosphorus rock  supplies the phosphorus element in the fertilizer mix of nitrogen-phosphorus-potassium that is used as fertilizer to aid in growth of plants.

4 0
3 years ago
Which one of the following classes of organic compound does not contain the carbonyl (C=O) group?A) aldehydesB) carboxylic acids
vredina [299]

Answer: alcohols

Explanation:

The carbonyl group refers to C=O. It is contained in aldehyde, Ketones, carboxylic acids , esters, amides and acyl chlorides. They are not found in alcohols. The alchols are generally ROH. They do not contain any carbon-oxygen unsaturated bond in their structure hence the answer.

3 0
2 years ago
What material beats and lets you get though all of earth’s layers?
Goryan [66]

Seismic waves

Explanation:

Seismic waves are disturbances that transmits energy elastically and let's scientist have a glimpse of the interior of the earth.

These waves can pass through any component layer of the earth due to their unique properties.

There are four types of seismic waves but the two body waves are the most important in studying the earth's interior.

  • Seismic p-waves can pass through any earth materials as they are longitudinal waves.
  • Seismic s-waves are shear waves and can only pass through solids. liquids and gases cannot be sheared.

learn more:

Seismograph brainly.com/question/11292835

#learnwithBrainly

6 0
3 years ago
How many daltons is in an ion with 15 protons, 16 neutrons and 17 electrons?
Vera_Pavlovna [14]
31  
A dalton is the same as an atomic mass unit. And an atomic mass unit is approximately the mass of a nucleon (proton or neutron) such that the mass is 1 g/mol. So in this problem you have 15 protons and 16 neutrons, so the number of daltons is 15 + 16 = 31.
8 0
3 years ago
Can a substance be cooled to a temperature below its freezing point
Fittoniya [83]
Pure, crystalline solids have a characteristic melting point, the temperature at which the solid melts to become a liquid. The transition between the solid and the liquid is so sharp for small samples of a pure substance that melting points can be measured to 0.1oC. The melting point of solid oxygen, for example, is -218.4o<span>C.</span>
5 0
3 years ago
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