Which types of boundaries produce trenches?

answer:

in particular, ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. at many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench

explanation:

that scientist would be robert hooke

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".