Answer:
The mild climate enabled Romans to grow wheat, grapes, and olives. This abundance o food supported the people and allowed Rome to prosper. While the climate made year-long agriculture possible, Rome also had the advantage to be near water. The Tiber River helped the agricultural system to prosper
Explanation:
The reason why the snails are dead because the snails lack oxygen for it is a model of closed ecosystem. Another reason to this is that they lack abiotic factors that they need in surviving or as they live for the place that they are living lacks a lot and are not enough for them to last or survive. Lastly, the water could have not been a contributor for them to live for they may not be able to live in a water environment and could only dwell in land.
The SI unit of energy is joule(J). Hope this helps!
As we know that kinetic energy is given as
![KE = \frac{1}{2}mv^2](https://tex.z-dn.net/?f=KE%20%3D%20%5Cfrac%7B1%7D%7B2%7Dmv%5E2)
Here we can find the initial speed of puck A by momentum conservation
![m_1v_{1i} + m_2v_{2i} = m_1v_{1f} + m_2v_{2f}](https://tex.z-dn.net/?f=m_1v_%7B1i%7D%20%2B%20m_2v_%7B2i%7D%20%3D%20m_1v_%7B1f%7D%20%2B%20m_2v_%7B2f%7D)
![0.252\times v + 0 = 0.252\times (-0.115) + 0.374\times ( 0.650)](https://tex.z-dn.net/?f=0.252%5Ctimes%20v%20%2B%200%20%3D%200.252%5Ctimes%20%28-0.115%29%20%2B%200.374%5Ctimes%20%28%200.650%29)
![v = 0.850 m/s](https://tex.z-dn.net/?f=v%20%3D%200.850%20m%2Fs)
now here we will have initial kinetic energy of the mass is given as
![KE_i = \frac{1}{2}m_1v_1^2](https://tex.z-dn.net/?f=KE_i%20%3D%20%5Cfrac%7B1%7D%7B2%7Dm_1v_1%5E2)
![KE_i = \frac{1}{2}(0.252)(0.850^2) = 0.091 J](https://tex.z-dn.net/?f=KE_i%20%3D%20%5Cfrac%7B1%7D%7B2%7D%280.252%29%280.850%5E2%29%20%3D%200.091%20J)
![KE_f = \frac{1}{2}(0.252)(-0.115)^2 + \frac{1}{2}(0.374)(0.650^2)](https://tex.z-dn.net/?f=KE_f%20%3D%20%5Cfrac%7B1%7D%7B2%7D%280.252%29%28-0.115%29%5E2%20%2B%20%5Cfrac%7B1%7D%7B2%7D%280.374%29%280.650%5E2%29)
![KE_f = 0.081 J](https://tex.z-dn.net/?f=KE_f%20%3D%200.081%20J)
now loss of energy is given as
![KE_i - KE_f = 0.091 - 0.081 = 0.010 J](https://tex.z-dn.net/?f=KE_i%20-%20KE_f%20%3D%200.091%20-%200.081%20%3D%200.010%20J)