What two factors influenced the life of early humans?

First factor that drastically impacted the human life was knowledge of burning fire. Earlier humans used t have raw food but with fire, humans learnt to cook food and the eating habits got better with the passage of time. Another main factor was language. Earlier humans used to communicate in their own language in verbal or by drawing some pictures on hard surface.

Remember soh-cah-toasoh: cah: toa: now, looking at the picture we can see that we have an angle, the hypotenuse and want to find the value of the adjacent side to the angle. so we use cah to find the adjacent angle. plug in what we have: we need to solve for x now so we get it by itself on one side: plug this into your calculator and you'll find that: