How do we know that some layers of the earth are solid and some liquid?

Answers

Answer 1

Answer: We know bwcause some people went there and also other people,they just looked and said that most of the layers are solid and some are liquids.And I hope this helped

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What process adds oxygen to the atmosphere

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The trees and plants add oxygen to our air. Photosynthesis

Photosynthesis adds oxygen to atmosphere.

Which nucleic acid base is found in RNA but NOT in DNA?

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Answer: It's uracil!

Explanation: The four nirogen bases in DNA are adenine, guanine, thymine, and cystosine. In RNA, thymine is simply replaced with uracil.

Explain how clearing forest by cutting and burning trees contributes to climate change

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By cutting down trees you are reducing the number of CO2 that is consumed by trees. Trees consume CO2 to conduct photosynthesis and turn it into O2 which is released. kept a result of the CO2, more heat is contained within the atmosphere because CO2 is a heavier gas and heat has a harder time escaping from it. Hope this helps! :-)

If they cut all of the trees down and burn them. The climate will change by animals dieing because they dont have anny food water or a home to live in so they will die out or migrate somewere else.

What is data protection act

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The Data Protection Act 1998 (DPA) is an Act of Parliament of the United Kingdom of Great Britain and Northern Ireland which defines UK law on the processing of data on identifiable living people. It is the main piece of legislation that governs the protection of personal data in the UK.

Which of these animal groups was NOT present by the end of the Cambrian? bryozoans arthropods chordates mollusks

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Only phylum bryozoans were not present during Cambrian period. It is an extensive fossil that did not appear in Cambrian nor pre-cambrian rocks. Bryozoans are found in the early Ordovician period. It could have probably existed during the Cambrian period but were soft-bodied or not preserved.

Which group of organisms brings the MOST energy into an ecosystem?a. consumers
b. carnivores
c. producers
d. herbivores

Answers

The most energy is always at the bottom of the food chain so C. #TeamAlvaxic

the answer to this question is C

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Which of the following statements is true? Bones protect internal organs and help the body move. Bones are connected to each other by tendons. The knee is an example of a fixed joint. Muscles that bend a joint are extensors, and those that straighten a joint are flexors.

What are the possible gamers produced by the individual SsYy?

The triplet code can produce 64 possible codon combinations. What is an advantage of this? A. Every single codon specifies more than one amino acid. / B. Every single amino acid has more than one codon. / C. The first two bases of the codon specify the amino acid.

A series of questions that is designed to classify organisms is called a biological _____.