The processes in which not heat enters or leaves the system is termed as ?

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

Why were renaissance artists influenced by ancient greek and roman temples and buildings?

What do you african rock painting have that european and australian rock paintings don’t have?