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stealth61 [152]
2 years ago
14

Can someone give me the number of deadly spiders in the united states

Biology
1 answer:
jarptica [38.1K]2 years ago
8 0

Answer: 3

Explanation:

The black widow, the hobo spider, and the brown recluse spider are all poisonous. They all have lethal venom.

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The muscular tube near the mouth that aids in getting food is called the
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It is called the esophagus
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2 years ago
Which rock is not a metamorphic rock?<br><br> phyllite<br><br> shale<br><br> slate
anastassius [24]

Answer:

Explanation:

Metamorphic rocks are those which have been changed from one form to another by the high pressure and temperature environment of the Earth. "Metamorphism" means the process of changing form.

Phyllite is a type of foliated metamorphic rock.

Slate is a, fine-grained, clayey metamorphic rock.

Shale is a parent rock to slate and phyllite.

Here is one source for a simple graph. (Copy and paste into browser)

http://hyperphysics.phy-astr.gsu.edu/hbase/Geophys/metamo.html

5 0
2 years ago
Which describes a likely advantage of the roots that gymnosperms have? They are shallow, preventing the plants from growing too
vfiekz [6]

The roots of eh gymnosperms are long and deep, with the advantage to gather deep water. Thus, option D is correct.

Roots are the important network of tissues that gathers the water and essential nutrients from the soil and allow growth.

<h3>What type of roots are in Gymnosperms?</h3>

The gymnosperms are advanced plants with bare seeds. The roots system in the gymnosperms is the taproot system.

The root system in the gymnosperm is the long deep roots that are immersed deep inside the soil.

Thus, the advantage of roots to gymnosperms arises from the deep root for gathering water below the surface. Thus, option D is correct.

Learn more about gymnosperms, here:

brainly.com/question/4526473

6 0
2 years ago
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Compounds that are not produced by organisms anywhere in nature are called __________.
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I think it could be nonrenewable
7 0
3 years ago
1. Explain the five steps of the scientific method.
RideAnS [48]
1. Scientific method is the techniques that scientists used to carry out investigation process. It is made up of five steps, which are:
a. Observation: this is the stage in which a scientist make an observation to which he did not have an explanation.
b. Formation of a research question:  in accordance to observation made, the scientist form a question on which his experiment will be based
c. Formation of hypothesis: at this stage the scientist offers a proposed explanation for the observation which he had made and state what he expects at the end of the experiment.
d. Conduction of the experiment: at this stage the scientist carry out the experiment using appropriate means.
e. Analysis of data and drawing of conclusion: this is last stage of the investigation, at this stage, the scientist analysis the results he obtained and draw a conclusion based on the results of the data.

2. Scientists used scientific method to carry out scientific investigations because the method minimize the influence of bias and prejudice in the experiments that they carry out. The method provides an objective, standardized approach to scientific investigation; this result in reproducible results which can be achieved by other scientists in every parts of the world. The method also helps to minimize errors during investigation.
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3 years ago
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