Which couple is probably the happiest?
a. Henry and Anne, who have just had their first baby.
b. Hank and Alice, who have two adolescent children.
c. Harold and Abbey, whose children have just left home.
d. Harvey and Amy, who have just retired.

Describir textbook icon_person describe what these people are doing or feeling using an expression with tener. lecion 3

Which of the following was not a result of early humans increasing proficiency at finding food

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change