The correct answer is: 4) Standing defenses are always present; induced defenses develop in response to a threat
Induced defense is defense that can be changed or invoked when needed. Induced defenses are slow to happen. When invoked, induced defense requires energy but otherwise doesn’t.
Standing defense is always there. It is use, for example when predation is a constant threat.
metals (left side of periodic table) become positive ions so calcium would be the answer
Hurricanes (also known as typhoons or cyclones, depending on the location on Earth where they form) are often associated with extremely powerful winds and torrential rains. I am not sure about the pressure, but the only option here that mentions both strong winds and a lot of rain is A. low pressure, high winds, high precipitation, so I'd say that is the correct answer.
Answer:
Lakes and rivers provide Canadians not only with drinking water, food, transportation networks and recreational opportunities, but also with hydroelectricity. In fact, Canada is one of few countries around the world to rely on hydropower for more than half of its electricity needs.
Explanation: