Listen to the audio and then answer the following question. Feel free to listen to the audio as many times as necessary before answering the question. How many siblings does Ricardo have?

cero
uno
dos
tres

I have no way of giving the audio so I'm just hoping someone else who uses Edgenuity will be willing to give the answer.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?