Answer: A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time.
Explanation: A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms. That being said, certain land organisms are useful in young rocks and specific regions.
True. This is called cellular homeostasis. This happens when cells are able to produce and excrete materials within their environment to regulate processes like cellular respiration, phagocytosis, and pinocytosis. If cells are not able to do this, mutations and excessive cellular division may occur causing abnormalities in specific organisms.
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Answer: B) Convergent
<u>My work:</u> A convergent boundary is when two plates collide. DTrnches are usaully made out of a convergent boundary.
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The era of Enlightenment was characterized by:
- Governments exist to serve the people.
- The social contract allows for consent of the governed.
- The divine right of kings to rule with absolute power is a violation of the social contract.
- Governments that break the social contract must be overthrown.
- All citizens are born with natural rights to life, liberty, and property.
- Use of reason can solve government problems.
<h3>What is an era?</h3>
An era is a time period which is characterized by a certain event or occurrence.
An era is defined by certain way of life or culture both written and spoken.
Some of the various eras of human existence are:
- Middle Ages
- Scientific Revolution
- Enlightenment
- Era of Good Feelings
In conclusion, the various eras of human existence have various characteristics.
Learn more about era at: brainly.com/question/24761999
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Photosynthesis
the equation is- Carbon dioxide + water = oxygen + glucose
