African american eoropeans
Answer:
Explanation:
When you push your sister in the swing you are applying Newton's third law which refers to two objects that apply equal and opposing forces but since there is no other object on the other side of the swing then your sister is pushed and starts swinging. She continues accelerating forward and upward until gravity becomes too much and decelerates the swing until it stops at a certain point in the air. At this point Newtons second law applies, gravity begins to accelerate the swing downward which is multiplied by the weight of your sister in the swing to cause it to accelerate rapidly in the opposite direction which she was initially going.
Answer:
Theresa must first use a mask that helps her to breathe, without inhaling the gas, allow an efficient air circulation, use any and all equipment necessary to carry out this experiment safely, keep the gas bottle closed while the gas is not being used , remove any source of heat or ignition, do not allow the presence of people with cigarettes, flashlights or any source of light or heat, do not open the gas bottle near vials with oxidizing gases and wear gloves and safety glasses.
Explanation:
Handling flammable gas is very dangerous and this can harm the experimenter as well as the surrounding environment. For this reason, Theresa must be aware of all safety guidelines imposed for the use of this type of element, maintaining the safety of herself and all the place.
Answer:
The Mayan people created a new environment through mechanizing and innovation in the field of agriculture.
Explanation:
- The Maya people were situated in a very tough environment.
- The terrain was steep hilly with the valleys comprising of low lying wet lands.
- The Maya for example dug canals in the land to create wet lands that they used to irrigate the beds with before preparing the now ready land for farming.