The surface area of a sphere can be approximated as follows:Surface area = 4πr2;
where r is the radius of the sphere;
π is a constant that is roughly equal to 3.

Calculate the surface area of a sphere with a radius of 7 meters using the simple approximation above.

Answers

Answer 1

Answer: There are numerous information's already given in the question. Based on the information's provided, the answer can be easily deduced.
Radius of the sphere = 7 meters
Value of pi = 3]
Then
Surface area of the sphere in question = 4πr^2
= 4 * 3 * (7)^2
= 12 * 49
= 588 square meters.
From the above deduction, we can conclude that the surface area of the sphere in question is 588 square meters.

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Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. What is the probability of having offspring that have wrinkled seeds and yellow seed color for the cross RRYY ´ RrYy?

Lamarck's mechanism of change can be calledA. gradualism
B. natural selection
C. selective breeding
D. inheritance of acquired characteristics
What observation did Darwin make that suggested there had been geological changes in Earth's history?
A. giant tortoises
B. fossils of giant sloths
C. fossil shells on top of mountains
D. an absence of rabbits in South America

Answers

Answer 1 : D) Inheritance of acquired characteristics

Jean-Baptiste Lamarck propose a mechanism by which gradual change of species may occur.

According to him the traits an organism gained during its lifetime could be passed to its offspring.

Example: If a giraffe stretched its neck gradually by stretching to reach leaves for many years, Lamarck believed the offspring may have longer necks.

Answer 2: A) Giant Tortoises

Charles Darwin visited Galapagos Islands in 1835. During his visit he observed that different species were in a constant battle for survival with each other, and because of that battle there was a variation in the tortoise that live on the sand and those that live in the water.

D. inheritance of acquired characteristics

Not:
A. gradualism
B. natural selection
C. selective breeding

---

A. giant tortoises

NOT:
B. fossils of giant sloths
C. fossil shells on top of mountains
D. an absence of rabbits in South America

When 2 species require the same limited resources and can reduce the overall health of one or both species is an example of: a. Predation b. Mutualism c. Competition d. Predation

Answers

This is called competition since they both require the same thing and are “competing” for it against each other.

Final answer:

Competition is when two species require the same limited resources and can reduce overall health. In biology, it refers to the interaction between species that negatively affects the population size or health of one or both species.

Explanation:

The correct answer is c. Competition.

In biology, competition refers to the interaction between two or more species that require the same limited resources and can negatively affect the overall health or population size of one or both species.

For example, in a forest, two species of birds may compete for the same nesting sites or food sources, leading to a decrease in the reproductive success or survival of one or both bird species.

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Which microscope did Anton van Leeuwenhoek use to observe single-celled organisms

Answers

the microscope that Anton van Leeuwenhoek use to observe single-celled organisms is : a very simple microscope, which is the type of microscope that only has one lens. Anton van leeuwenhoek conducted his studies in the 1600s. During that time period, we haven't developed any type of high-end microscope that exist today

A.) Simple microscope

Ian was asked to take buccal swabs of two suspects. What will this task MOST likely include?

Answers

Ian would take DNA samples from the inside of the suspects' mouths if he were asked to swab their buccal surfaces.

What two forensic science techniques are utilized to identify a suspect?

Identification and comparison are the two techniques forensic scientists utilize when assessing tangible evidence. Determining a substance's physical or chemical identity is the process of identification. Finding out whether two or more objects have a common origin is done through comparison.

Why is it possible to fingerprint a suspect in a crime using DNA?

In regard to matching, DNA analysis is comparable to fingerprint analysis. The evidence gathered at the crime scene is contrasted with a "known" print or sample when a suspect is identified using DNA or a fingerprint.

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A remarkable fact about cells its that