cancer - A serious illness where cells grow in a way which isn’t normal., solar - An adjective that means something which uses the power of the sun's light and heat., dramatically - An adverb which means in a big and sudden way., birthrate - The number of births for every 100 or 1000 people in a particular year in a particular place., research - A serious study of a subject to discover new things or test new ideas., cause - A verb which means to make something happen, especially something bad., predict - To say something will happen, before it happens., invest - To spend money to improve something or help it get better., steadily - An adverb which means that something happens little by little., earthquake - A violent shaking of the ground that can cause a lot of damage., affected - A word that means someone or something is changed by something else., risk - The possibility that something bad or dangerous may happen., genes - A part of a cell that controls what it looks like and how it grows. People get these from their parents., cure - A medicine or treatment that makes an illness go away.,

Roadmap B1+ (3C Big issues)

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