Answer:
The First Answer with the fossils.
Explanation:
It explains why an animals fossils were found in 2 places that are no where near eachother. So it had to have been the same continent at somepoint.
Answer:
Australopithecus afarensis
Explanation:
Lucy was the first Australopithecus afarensis species found. It represents 40% of the skeleton of a female. It was discovered in Africa in 1974, near the village Hadar in Awash valley of Afar triangle, Ethiopia and is dated about 3.2 million years ago. Notable characteristics includes rib cage and plant based diet, cranial specimens, pelvic girdle, ambulation etc.
The first law of thermodynamics states that heat is a form of energy and thermodynamics processes are therefore subject to the principles of conservation of energy. The principle of conservation of energy on the other hand states that energy can neither be created nor destroyed, it can only be changed from one form to another.
The mathematical equation for the first law of thermodynamic states that
E = Q - W,
Where E = change in internal energy
Q = Heat added to the system and
W = Work done by the system.
This equation shows that, energy is conserved in the system, that is, the change internal energy of a system is a function of the heat added to the system minus the work done by the system. Thus, all the energy supply to the system has been accounted for and nothing is lost; this is in agreement with the principle of conservation of energy.
Answer:
Nonrenewable resources are used to help provide humans with the energy they need to power their homes, cars, and Fourth of July barbeques. They're an important part of the worldwide economy because they're some of the most common ways we get the energy we need to power our lives.
Explanation: