Guys this is really urgent A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shine shines brightly. Do you think the changes, which have occurred in the cement , could be reversed? this is not biology it is science

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,

How are primary producers important to the alligator's energy supply