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olga_2 [115]
2 years ago
15

Secondary enrichment creates concentrations of metals by ________.

Biology
1 answer:
mel-nik [20]2 years ago
6 0

Answer:

C. leaching them from one area and precipitating them elsewhere

Explanation:

The secondary enrichment zone is formed by the deposition of metals which are leached from above zone by the action of ground water deposition the leached metals somewhere else. Similarly, the copper deposits are also formed.

Thus the option C is the most appropriate answer to the given question.

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Nancy and Paul are designing an experiment to measure the amount of honey produced by each of the bee hives they keep. What shou
Allisa [31]

Answer:

C. Document the number of honey-making bees per hive.

Explanation:

Among the given options, the only useful criteria towards the experimental design of honey production are to "document the number of honey-making bees per hive". We know that the increased number of animals would increase the workforce and thus increase the production of honey (direct relation). Therefore, this will give a direct assessment of honey production.

3 0
2 years ago
Plants that evolved vascular tissue are more advanced than plants without vascular tissue. Most importantly, possession of vascu
aliya0001 [1]

Answer:

The correct answer will be option-D

Explanation:

The evolution of vascular tissues in plants from non-vascular plants was an adaptive feature to survive in the terrestrial environment.  The group of plants in which vascular tissues evolved and developed is the Pteridophytes which contained stellar organization of the vascular bundles.

The pteridophytes exhibited xylem and phloem which allows the rapid uptake of the water and nutrients from the soil which allowed the growth of the plant and since plants got enough water and nutrients from the soil, they adapted to grow tall so that they can maximize the output of photosynthesis in bright sunshine.

Thus, option-D is the correct answer.

6 0
2 years ago
What are two alternative futures for cells when they reach their size limitations?
Lynna [10]
When cells reach their size limitations one of two things will happen: they will either stop growing and split into two separate cells. Cell division can be both good and bad.
5 0
2 years ago
When voltage-gated sodium ion channels are inactivated, the neuron is _________________. in the absolute refractory period below
Ymorist [56]

Answer:

depolarizing

Explanation:

According to my research on studies by different medical professionals, I can say that based on the information provided within the question the neuron is depolarizing. This is what happens when voltage-gated sodium ion channels are inactivated causing an increas in the neuron's membrane conductance for sodium ions.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0
2 years ago
Suzanne wants to conduct research on the growth of pollution in the United States between the years 2005 and 2015. She believes
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Geographic Information Systems (GIS) tool will allow Suzanne to analyze and visualize data on a map. Geographic Information Systems is a computer-based tool that is used for analyzing, storing, manipulating and visualizing geographic information, usually in a map. GIS can include information about location, people, landscape and sites of factories.






6 0
2 years ago
Read 2 more answers
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