Heartening Lesson 3

frequent

• happening often
• happening often
• quick
• to say to someone that you will do something unpleasant to them

harbor

• an area of the sea at the coast where ships can stay safely
• an area of the sea at the coast where ships can stay safely
• to fail to notice something
• all the plants and animals in an area, and their relationship to each other

generate

• to produce or create something
• to produce or create something
• very small
• a violent tropical storm

coal

• a hard black substance that is used as a fuel
• a hard black substance that is used as a fuel
• something that helps to solve a problem or mystery
• existing in large numbers or amounts

renewable

• renewable resources are natural ones such as wind, water, and sunlight
• renewable resources are natural ones such as wind, water, and sunlight
• producing good results
• the amount of rain that falls

threaten

• to say to someone that you will do something unpleasant to them
• to help to cause something to happen
• lost, or not in the usual place
• managed by a prefecture

ecosystem

• all the plants and animals in an area, and their relationship to each other
• a gas that goes into the air
• an illness that affects the brain and memory
• a period of time for a particular activity

typhoon

• a violent tropical storm
• a duty to deal with something
• a group of people who work together
• to copy something

poverty

• the state of being very poor
• to make something smaller or less
• the feeling that you can do something well
• an order

livelihood

• a way of earning money in order to live
• the railroad system
• to tell someone what you think they should do
• to understand something