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Vlada [557]
3 years ago
11

____________________ is any rock sufficiently enriched in one or more minerals to be mined profitably

Social Studies
1 answer:
Luden [163]3 years ago
4 0

Answer: Ore

Explanation:

Ore is an aggregate of one or more minerals within a rock that can be mined, and processed in commercial quantity for profit.

There are only about a 100 ore minerals, a few example includes limonite, magnetite, Zinc, haematite, siderite, this ore are major sources of chalcocite, iron, chalcopyrite, gold, diamond, bornite, etc.

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Every 24 hours and 50 minutes we have: Question 1 options: 1 high tide and 1 low tide 2 high tides and 2 low tides 3 high tides
4vir4ik [10]

Answer:

Coastal area experiences <u>two high tides and two low tides</u> after every 24 hours and 50 minutes.

<u>Explanation</u>:Earth rotate through two tidal bulges every lunar day.Lunar day is the time it takes for a specific site on a Earth to rotate from an exact point under the moon to the same point under the moon. The lunar day is 24 hours and 50 minutes but solar day is of 24 hours.The lunar day is 50 minutes longer than the solar day because Moon revolves around the earth in the same direction that the Earth rotate around it's axis,so it takes the Earth an extra 50 minutes to meet the moon.

High tides occur 12 hours and 25 minutes apart.It takes 6 hours and 12.5 minutes for the water to go from high to low and from low to high.

Tides are caused by Moon's gravitational force.Water bulge in the direction of Moon due to gravity.This is called tidal force.Water on the side of moon bulge out towards the Moon.This bulge is called high tide.When earth is away from moon it experiences low tide.

6 0
3 years ago
What two elements left a stamp on the continent of Africa forever?
bonufazy [111]
I think your answer is A.... I hope this helps have a splendid day
3 0
3 years ago
"Chloe’s mother wants to have another child. However, she is concerned that a second child might also have CF, so she encourages
natima [27]

Answer:

0%

Explanation:

The cystic fibrosis transmembrane conductance regulator (CFTR) protein is responsible for cystic fibrosis. It is transmitted in a autosomal recessive manner. This means that both parents must have the CF gene in order for the development of CF in the child.

Here, Chloe's father and mother both had the CF gene so Chloe developed CF. However, Chloe's stepfather does not have the CF gene hence a child with the step father will not have CF.

8 0
3 years ago
As an infant, Stephanie received many penicillin injections from the doctor. When she later saw a photographer in a white coat t
BaLLatris [955]

Answer:

classical conditioning.

Explanation:

refers to procedures used into learning the biologically potent stimulus that is paired with previously neutral stimulus.it is also know as the process of learning that arise from pairing.

8 0
3 years ago
Monitoring, as an activity, should be kept distinct from __________, which uses data supplied by monitoring to bring actual perf
Sphinxa [80]

Answer: Evaluation

Explanation: Evaluation is the is the judgement of some particular thing or entity on the basis of certain parameters. It is the procedure in which the any particular action is assessed and then the result is generated on that basis.

Monitoring rather consist of the process in which the assessment is still on-going as the activity is still in process.Thus, evaluation takes the monitored data and then compare the actual performance by checking its compatibility.

5 0
3 years ago
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