BIOLOGY MIDDLE SCHOOL

Info: Sorry, designs are down the bot was infiltrated Two ways in which the original bodies of a fossil have been preserved: trapped in _____ or _____.

Answers

Answer 1
Answer:

Answer:

molds and casts

Explanation:

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Kingdom Animalia1. Is this statement true or false? Kingdom Animalia includes only vertebrate organisms. 2. All organisms in Kingdom Animalia are multicellular, meaning their bodies are composed of more than one cell. Which other characteristic is common to organisms in this kingdom? A. All have a backbone. B. All are able to survive in water. C. All need to get food from an outside source. D. All take in oxygen through their gills. 3. Which of these organisms are vertebrates in Kingdom Animalia? Choose all answers that are correct. A. worms B. frogs C. clams D. fish

If the upper atmosphere is very thin, why do space vehicles heat up as they enter the atmosphere

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Even though the atmosphere is very thin, the space vehicle is pushing through a lot of pressure. 

How dose an atom become an ion​

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An atom becomes an Ion (a) if it gains one or more electron(s) or (b) if it loses one or more electron(s). When it gains electrons it becomes negatively charged and is called an anion. When it loses electron(s) it becomes positively charged and is called a cation.

Of these layers of the atmosphere, which is the least dense?A. exosphere
B. stratosphere
C.troposphere
D. mesosphere

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Answer: The first person is wrong

Explanation: its A. exosphere

Why does smoke appear to move when you look at it under a microscope?

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Smoke particles are larger than air particles That's why we can see the smoke particles better than the air particles, gas particles always move at high speed, in random directions.The same things is happening to air particles When air particles collide with smoke particles, the smoke particle moves  the same direction as the air particle that hit it. When another air particle hits the smoke particle, it changes its direction to the second air particle, and so on. This is called Brownian motion
because its a gas and its always changing forms. hope this helped

What Christmas related bird has a red chest

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the house finch has a red chest
The house finch and the Robin are both Christmas birds
Hope this helps! :)

Why the amount of daylight increase each day in texas as the summer months approach?

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This may happen because of daylight savings, where the sun goes up later and goes down earlier. 
If not, this statement may be false :P
because the earth spins round on it axis and spins round the sun so when we are at one side of the sun its winter and our country is faced tilted away from the sun
and opposite for summer
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Greek philosophers such as Democritus and Aristotle had ideas about the composition of matter. For example, Democritus believed matter was made of tiny, solid spheres that he called atomos, and Aristotle thought matter was made of earth, water, fire, and air. Aristotle's idea of matter was the accepted idea for over 2,000 years until John Dalton came up with a new theory about matter based on his experimental data. Which of the following best explains why Dalton’s theory became more widely-accepted over Aristotle's theory?Aristotle’s theory did not have enough direct evidence due to poor observational tools.Dalton’s theory had repeated observations which were supported by extensive evidence.Dalton’s theory was more complete because more respected scientists found the ideas possible.Aristotle’s theory became the law of conservation of mass when he documented phase changes of matter.
to any 8th graders or 7th graders that take technology, what are you currently learning in technology class?
Someone help please!!!