Alfred russel wallace, a contemporary of charles darwin, also developed a theory of evolution by means of natural selection. a. true b. false

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

correct answer: false

while planning water activities, it is very important to consider the weather, because if we do not plan and are going for a surf, then it might be that the hurricane came and drown us or may carry us to long distance from where we can not come back. there are many reasons to take information about the weather when we are planning any water activities.

hence, the correct answer would be false.