Some people who take beta blockers get out of breath when they exercise. Explain why beta blockers can have this effect during exercise. 01.5
You should refer to information given in Table 1.
[6 marks]

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What happens when a magniseum ion ia atracked to a chlrene ion

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a. changes in genetics in human populationsb. antibiotic resistance in bacteria populationsc. pesticide resistance in garden insectsd. changes in the color of the peppered moth population in england