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notsponge [240]
3 years ago
10

Choose all the answers that apply.

Biology
2 answers:
patriot [66]3 years ago
5 0
Is caused by vibration, can travel through a vacum, and travels in longitudinal waves<span />
OLga [1]3 years ago
5 0
Is caused by vibration, travels in longitudinal waves and speeds up when temperature is increased.
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How did the appearance of microbial life on land increase the formation of a living soil during early Earth, which in turn allow
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Its D) <span>Microbes allowed plants to uptake nitrogen-containing compounds through the process of nitrogen fixation.</span>
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3 years ago
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This is for forensics:<br>How is sand classified?​
kramer

Answer:

Based on the grain size of the particle, sand is classified as Fine Sand(0.075 to 0.425mm), Medium Sand(0.425 to 2mm), and Coarse Sand(2.0 mm to 4.75mm) Based on origin, sand is classified as Pit sand, River sand, Sea sand, and manufactured sand.

Explanation:

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Which of the following statements about populations in a community are true? Check all that are true.
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Answer:

One population may compete with another population for food. One population may compete with another population for shelter. One population may serve as a food source for another population.

Explanation:

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3 years ago
Cual es la importancia del establecimiento del experimento de la herencia en el virus del co-vid 19
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No idea what this means free points
4 0
3 years ago
One polled (hornless) bull is bred to 3 cows. With Cow A, which is horned, a polled calf is produced. With Cow B, also horned, a
Arisa [49]

Answer:

Bull = Pp

Cow A = pp

Cow B = pp

Cow C = Pp

Explanation:

In cows polled (P) is dominant over horned (p) trait.

The bull is polled so it can be PP or Pp. Cow B is horned so it must be pp. Resultant offspring from bull X Cow B is also a horned calf (pp). This calf must have received one p from the bull. So the bull's genotype is Pp.

Cow A is also a horned cow so it must be pp. When bull X Cow A, a polled calf is produced. Since the bull's genotype is Pp and Cow A's genotype is pp, this polled calf will be Pp like the bull.

Cow C is polled like the bull so it can be PP or Pp. However on crossing with the bull (Pp) a horned calf is produced (pp). This calf got one p allele from the bull and p allele from the Cow C. So Cow C's genotype must be Pp.

Hence,

Bull = Pp

Cow A = pp

Cow B = pp

Cow C = Pp

5 0
3 years ago
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