Answer:
Make sure the lights are off if you are the last to leave the classroom, take shorter showers, and consume less meat and dairy products are all good ways you can reduce your personal footprint. Taking the time to get involved in conservation efforts in your area is a great way you can help fight climate change.
Allan already had a heart attack and can try to prevent another one by changing the diet, exercising, or even quit smoking, but there are non-modifiable risks such as age, sex and generic heritage, so If Allan is over 40 years old, male or comes from a family with heart diseases, Allan needs to be extra careful because those factors cannot be changed no matter how the way of life is changed.
Polymerization would be the answer you're looking for.
Answer:
Surface currents in the ocean are driven by global wind systems that are fueled by energy from the sun. Patterns of surface currents are determined by wind direction, Coriolis forces from the Earth's rotation, and the position of landforms that interact with the currents.