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Which of the following is an exchange vessel? A. Capillary B. Elastic artery C. Lymphatic D. Muscular artery E. Vein

A. Capillary

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How effectively does Pericles try to win the support of the Athenian people in this passage? AQA 2018

Passage is Thucydides 2.61. ‘If one has a free choice and can live undisturbed, it is sheer folly to go to war. But suppose the choice was forced upon one – submission and immediate slavery or danger with...

Answered by Reece L. • Classical Civilisation tutor

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i) Convert 01101001 from binary to denary. ii) Convert 27 from denary to hexadecimal. ii) State one use of hexadecimal in computing and why it is more beneficial in this application that binary.

i) 01101001₂ = 105₁₀ii) 27₁₀ = 1B₁₆iii) Colour codes, MAC addresses, memory locations, many others.The main advantage of hexadecimal over a number system like b...

Answered by Shafaan J. • Computing tutor

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If Max weighed 17.2 N on Ceres (gravitational field strength of 0.27 N/kg), then what would she weigh on Earth. Give your answer to 3 s.f. and state your units.

For this question you only need to know one equation, however, what is key is to be able to understand what the question is asking for and how to go about it.Weight is the force applied to a body due to t...

Answered by Shafaan J. • Physics tutor

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What did the Meselson and Stahl experiment show?

DNA replication was thought to be either conservative (two old strands of DNA stay together), semi-conservative (one old and one new strand of DNA), or dispersive (bit of old and newly replicated DNA in e...

Answered by Ciara L. • Biology tutor

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