I only need the top one answered

The caves at lascaux were closed in 1963 because a. vandals were destroying the paintings b. the collective breath of the many visitors caused the paintings to corrode c. the weather was destroying the paintings d. the government of france wanted scholars to be able to study the work without distraction

After selecting all bones, which command resets the bones to their default poses? alt + r shift + d alt + p u

Opera combines music with which of the following