What natural disaster can be beneficial to a forest

such as floods, landslides, snow avalanches and tsunamis cause loss of lives and goods every year in the world. Besides, illegal logging, land misuse, and poverty that forces people to live in high-risk areas also decrease the preventive role of forests. ...

Explanation:

Forests also influence nature's capacity to cope with natural hazards, acting as barriers against heavy rains, flooding and strong winds. They help control or reduce the risk of soil erosion, landslides and avalanches.

Explanation:

Fires are another natural disaster that can benefit ecosystems. They can eliminate unwanted invasive plants from certain ecosystems (but can also help spread them), enrich soils with fresh nutrients, and encourage greater plant diversity. Animals are also sometimes attracted to the new growth in fresh burn areas.Jun 13, 2008

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d) all choices are correct

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69