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Shkiper50 [21]
3 years ago
9

There is only one pathway by which rocks move through the rock cycle. a. True b. False

Biology
2 answers:
Over [174]3 years ago
8 0
False. There are three different ones.
Igneous: Melting and Cooling
Metamorphic: Heat and Pressure
Sedimentary: Weathering, Erosion, Deposition, and Compaction
n200080 [17]3 years ago
5 0
B) is False
cooling and melting is a three different ones
metamorphic pressure heat weather sedimentary erosion, Deposition
compaction
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anzhelika [568]

Answer:

salt

Explanation:

if water has salt it is no longer considered fresh, rather it is salt water

5 0
3 years ago
Both Duchenne muscular dystrophy and color blindness are caused by recessive alleles. DMD, unlike color blindness, nearly always
Ronch [10]

Answer: Although both are X-linked recessive conditions, and therefore more likely in males, with the single X-chromosome. The recessive allele in colour blindness occurs at a higher frequency in the population and is a mild condition. Thus colour blindness does occur to a lesser extent in females because it needs the double recessive condition. DMD is a severe, disabling condition with a limited lifespan, and recessive allele frequency much lower, so the double recessive condition in females is very rare.

Explanation: DMD is an X-linked recessive, “nearly always in males” suggest that it also occurs due to a new mutation or some rare condition e.g. double recessive from an affected father and carrier mother, or inactivation of the normal gene in a heterozygote. It is also found that the defective allele is not completely recessive and that female carriers may exhibit mild to moderate effects.

colour blindness is polygenic, although the genes are all X-linked. It is more common in males than females. Females can carry two recessive alleles and so express the phenotype, but this is uncommon because the frequency of the recessive gene is low.

There are similarities in that both are X-linked recessives, therefore commonly expressed in males, who only have one X chromosome. The gene frequency of the colour blindness recessive is much higher than that of DMD, so the double recessive condition, which affects females, is more likely to be seen with colour blindness. In addition, DMD is a severe condition associated with disability and limited lifespan, which reduces the probability of mating between an affected male and carrier female

6 0
3 years ago
Certain preparations contain killed or weakened live biological agents that, upon injection into our body, protect the body agai
Lubov Fominskaja [6]
These preparations are called Vaccines. A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing micro-organism and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins.
5 0
3 years ago
Read 2 more answers
A change in the base subunit sequence during dna replication can result in
Troyanec [42]
A change in the base subunit sequence during DNA Replication can result in a variation within that organism, also called a mutation.
4 0
3 years ago
Which correctly lists three features of a rock's grains that determine its texture?
kenny6666 [7]

Answer:

shape, pattern, size i took the test

Explanation:

7 0
3 years ago
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