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3 years ago

What was found at Igbo Ukwu?

Biology

2 answers:

m_a_m_a [10]3 years ago

8 0

The correct answer is A

Igbo Ukwu is a place which is situated in the Nigerian state of Anambra that lies in the south eastern part of the country. This place has 7 villages of its own. The elite burial there is notable for the evidences of copper alloy or bronze. This is found in the sub Saharan Africa. The excavation have also found bronze artifacts there.

r-ruslan [8.4K]3 years ago

6 0

evidence for copper alloy or bronze casting in Sub Saharan Africa.

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The muscular system can be broken down into three types of muscles: skeletal, smooth and cardiac, according to the NIH. Skeletal muscles are the only voluntary muscle tissue in the human body and control every action that a person consciously performs. The muscle that is found at the heart is Cardiac Muscle. It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart. Hope this helps.

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3 years ago

Which of the following is a node that you would expect to find on the cladogram for animals?

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Answer:

B - Deuterostome development

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Rabbits are introduced into a grassland area. Which action of the rabbits would harm the buffalo that live in the grassland?

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The most likely answer choice should and would be B, given that rabbits are herbivores (meaning that they only eat vegetation and plants, including grass). Buffalo's food source(s) and diet consists of grass as well. If enough rabbits are introduced into a grassland area, they will furthermore consume more grass, in turn limiting the food source of the buffalo.

''Attacking'' prey doesn't necessarily make sense, given that buffalos do not 'prey' on any animal and rabbits themselves are prey.

A to a lesser extent can make sense, although I doubtable. B's most likely the answer.

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3 years ago

A student does an experiment for a science fair to study whether temperature affects the timing of a cricketâ€™s chirps. The stu

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The frequency of chirps increases as the temperature increases. The correct option is B. The chirps occur closer together as the temperature increases.

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<h2>Available data:</h2>

<h3>Data recorded by the student </h3>

Day Temperature Average time between chirps (sec)

1 21 2. 5

2 22 2. 6

3 23 2. 2

4 24 2. 3

5 25 2. 0

6 26 1. 8

7 27 1. 9

8 28 1. 8

9 29 1. 4

10 30 1. 2

11 31 1. 5

12 32 1. 1

In this experiment the student recorded the time in seconds between chirps.

We can see that as the temperature increases, in general, the time between chirps decreases.

At 21ºC the time between chirps is 2.5 seconds

At 26ºC the time between chirps is 1.8 seconds

At 32ºC the time between chirps is 1.1 seconds

According to this information, if the average time between chirps decreases with the temperature increase, we can assume that the frequency of chirps increases as the temperature gets higher.

<h3>Options,</h3>

A) The higher the temperature, the fewer chirps there will be in 10 seconds.

Wrong. The number of chirps in 10 seconds will depend, not only on the frequency but also on how long the chirps last. Since the student did not record the time of chirps, we can not make this conclusion.

B) The chirps occur closer together as the temperature increases.

True. The chirps increase in frequency as the temperature increases, so they occur closer together.

C) The chirps become farther apart as the temperature increases.

Wrong. We can see how the time between chirps decreases as temperature increases, meaning that they are closer not farther.

D) There is no relationship between temperature and the time between chirps.

Wrong. If we make a graph we will see the tendency and the relationship between chirps and temperature.

Graphs usually explain the relationship between variables. In this example, the relationship would be inverse.

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3 years ago

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d1i1m1o1n [39]

Answer:

It's d , activity level

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While activity level is the amount of motion that a child performs while doing some physical activity

They start in utero when the baby moves and kicks inside

When they grown up ,some children possess more energy and they don't seem to stay at one place

When they grow up they will jump and run a lot ,those who are highly active

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