How do animals show problem-solving skills? are there any tests that can be used to measure an animal's intelligence (like a human iq test)? are there any experiments that scientists have done to try to communicate with animals? are there any famous "smart" animals i could research?

chimpanzee ,elephants i could go on with a list, but studies show about Elephants pass intelligence test with 'profound implications' but i think that it is illegal to do actual tests like lab rats but yeah hope this helps

idk heyy

explanation:

the answer is b. the tomb is underground and dark, and its opening is covered by a heavy grate.