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3241004551 [841]
4 years ago
8

Which type of lava flows easily? a) silica-rich b) composite c) basaltic d) smooth

Biology
2 answers:
ra1l [238]4 years ago
6 0
Basaltic lava flows easily. Basaltic lava flows erupt primarily from shield volcanoes, scoria and spatter cones, and fissure systems. 
Alborosie4 years ago
6 0
The answer is c,
Basaltic lava flows easily.
Basaltic lava is the most abundant lava on earth and is the lava most commonly depicted in pictures and media. <span>Basaltic lava is another term for </span>mafic lava<span>. Mafic lava is molten rock that is enriched in iron and magnesium and low in silica. When mafic lava cools on the earth's surface, it forms basalt, which is why mafic lava is commonly called 'basaltic lava'.</span>
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In humans, MN blood types are determined by an autosomal gene with two alleles: LM and LN. In one population of 592 people, ther
RoseWind [281]

Answer:

148

Explanation:

According to Hardy-Weinberg equilibrium,

p + q = 1

p² + 2pq + q² = 1 where,

p = frequency of dominant allele

q = frequency of recessive allele

p² = frequency of homozygous dominant genotype

2pq = frequency of heterozygous genotype

q² = frequency of homozygous recessive genotype

Here,

Total population = 592

Number of NN people = 148

Frequency of N blood group or NN genotype (q²) = 148/592 = 0.25

q = √0.25 = 0.5

p = 1 - q

= 1 - 0.5 = 0.5

Hence, p = 0.5

Frequency of MM genotype = p² = 0.25

Number of people with MM genotype = 0.25*592 = 148

Hence, 148 people will have MM genotype or M blood group.

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3 years ago
Which of these is a density-independent factor?
Rufina [12.5K]

Answer:

ExplanatThe geometric or exponential growth of all populations is eventually curtailed by food availability, competition for other resources, predation, disease, or some other ecological factor. If growth is limited by resources such as food, the exponential growth of the population begins to slow as competition for those resources increases. The growth of the population eventually slows nearly to zero as the population reaches the carrying capacity (K) for the environment. The result is an S-shaped curve of population growth known as the logistic curve. It is determined by the equation As stated above, populations rarely grow smoothly up to the …(100 of 4579 words)

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ion:

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3 years ago
Read 2 more answers
Which statement correctly describes a relationship between two human body systems?
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Where are the statements?
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Instinctive behaviors that are carried out regardless of earlier experience are called _____ behaviors and are a product of an i
telo118 [61]

Answer:

The correct answer is innate behavior.

Explanation:

The behavior that gets monitored by genes and goes through the process of natural selection is termed as an innate behavior. This form of behavior takes place naturally and it just requires a specific kind of stimulus in order to get initiate. Instinctive behavior is the other term for innate behavior.  

The tendency of an animal to perform a specific behavior after getting exposed to the stimulus for the first time is known as instinct. It can be said that one cannot learn innate or instinct behavior. It is performed by all the species in a similar manner irrespective of the surroundings. Caring for offspring is one of the examples of innate behaviors performed by the species that even demonstrate the basic life functions. Innate behaviors play an essential role in transmitting or passing genes to the coming generations.  

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3 years ago
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