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IgorLugansk [536]
3 years ago
14

What do scientist need to think about before transplanting animals to a new habitat.

Biology
1 answer:
maxonik [38]3 years ago
5 0
They’re health and adaptation
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what is the two-word term for tracking a disease by gathering data on the movements and interactions of someone infected?
Shkiper50 [21]

Answer:

Explanation:

Diagnosis - A disease must be diagnose this can be done by group of expertise. They diagnose one to two persons with the disease asking them questions about their state of health, how they were expose to the illness. This enable them have enough evidence as regarding the disease.

Signs and symptoms - signs are traces to a disease it is determined by an experts while the symptoms are the abnormalities or changes that indicate the disease.

8 0
2 years ago
Iron-55 has a half-life of 3 years. How much of a 40 gram sample will remain after 12 years? A. 0 grams B. 4 grams C. 2.5 grams
Readme [11.4K]

Answer:

\boxed {\boxed {\sf C. \ 2.5 \ grams }}

Explanation:

We are asked to find how much of a 40 gram sample remains after 12 years.

Iron-55 has a half-life of 3 years. Therefore, after 12 years, 4 half-lives have been completed.

  • 12 years/3 years = 4 half-lives

Every time a half-life is completed, half of the sample's mass decays. Remember we start with a 40 gram sample.

  • 1 half- life: 40 g / 2 = 20 g
  • 2 half-lives: 20 g / 2= 10 g
  • 3 half-lives: 10 g / 2 = 5 g
  • 4 half-lives: 5 g / 2 = 2.5 g

There is also a formula that can be used to solve this problem.

A= A_o(\frac {1}{2})^{\frac{t}{hl}

Where A₀ is the initial amount, t is the time, and hl is the half-life.

We know 40 grams is the inital amount, 12 years is the time, and 3 years is the halflife.

  • A₀= 40 g
  • t= 12
  • hl= 3

A= 40 \ g (\frac{1}{2})^\frac{12}{3}

A= 40 \ g (\frac{1}{2})^4

A= 40 \ g * 0.0625

\bold {A= 2.5 \ g}

After 12 years, <u>2.5 grams </u> of Iron-55 will remain.

4 0
2 years ago
Which part of my brain is probably damaged if I am unable to recognize basic objects arond my house?
Ket [755]

Answer:

The correct answer is - the hippocampus.

Explanation:

Hippocampus is the part of the brain located deep in the temporal lobe that is related to memory and learning abilities. The hippocampus is present in humans and other mammals, two in numbers.

Injuries to the hippocampus will be lead to problems that are associated with a memory like recognition and identifying people or things or the ability to learn things. Direction, locations type of memories would be affected if damaged.

8 0
3 years ago
Prior do the 1600s it was believed that all living things for either plants or animals. Which of these inventions led to the dev
Lostsunrise [7]

Answer:

The Microscope

Explanation:

Before the 1600s, every living thing was a part of a two kingdom classification system derivative of binomial nomenclature. This was proposed by Linnaeus, a Swedish Naturalist, who split all living things into either the animalia or plantae kingdom. After the invention of the microscope however, a new detailed classification system was put in order to accommodate for microscopic life. This new system recognizes the existence of 6 kingdoms: eubacteria, archaebacteria, prostista, fungi, plantae, and animalia.

6 0
3 years ago
According to the CDC, what is the definition of sanitizing?
Advocard [28]

Answer:

Cleaning or disinfecting surfaces or objects to lower the risk of spreading infection

Explanation:

Sanitizing lowers the number of germs on surfaces or objects to a safe level, as judged by public health standards or requirements. This process works by either cleaning or disinfecting surfaces or objects to lower the risk of spreading infection.

3 0
2 years ago
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