А. Many dogs bark when unknown individuals approach their house. What type of interaction is this?
Mutualism
b. Predation
C. Symbiosis
d. Competition

None of them. they are likely to occur on any plate boundary

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city. 

The correct answer is:   [b]:   "has no atmosphere" .