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For a hot desert environment or cold environment you have studied, to what extent does that environment provide both opportunities and challenges for development?

First look at the command words in the question, to properly establish how to and what to use to answer the question. This questions has two elements, 'opportunities' and 'challenges' therefore good to di...

EC
Answered by Emily C. • Geography tutor
4021 Views

Describe how protein is made in the cell.

The sequence of bases in the DNA determines the exact order of the amino acids in the protein. Every three adjacent bases on the DNA strand, called a codon, encodes a particular amino acid. The DNA cannot...

AM
Answered by Aisling M. • Biology tutor
8037 Views

describe Charles Darwin's theory of evolution via natural selection (3 marks)

(1) A mutation / variation in an individual(2) makes them better adapted to survive in their environment(3) This allows them to reproduce

NJ
Answered by Nikola J. • Biology tutor
3632 Views

A large amount of untreated sewage entered the river. Many fish died. Untreated sewage contains organic matter and bacteria. Explain why many fish died. (5)

Sewage entering the water caused plants to die.Bacteria then decayed this dead organic plant matter (1) through digestion (1).These bacteria will carry out aerobic respiration, using oxygen (1).This there...

JC
Answered by Joy C. • Biology tutor
13891 Views

Solve the following pair of simultaneous equations: 2y - x = 3, y + 4x = 4

There are 2 main methods for solving simultaneous equations: 1) by substitution, and 2) by elimination. Have a look at how each method works and pick the one that's best for you! In orde...

SP
Answered by Saranya P. • Maths tutor
3794 Views

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