Someone help me with this geomtry question asap.no links pls

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

What dimensions can créate more than one triangle ?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry