Answer:
reproduction
Explanation:
A living thing is characterized by its ability to perform certain functions including growth, irritability, reproduction, respiration etc. Of all these characteristics, REPRODUCTION is key to the survival of an organism's species.
An individual organism will definitely survive without reproducing i.e it will continue living and undergoing its day-to-day activities. However, in order to ensure that its species amongst others survive and not be EXTINCT, it has to reproduce. Reproduction gives rise to more of the same species of organism to form a POPULATION.
Your answer is C. Dark Matter.
Answer:![v=-\frac{11}{3} m/s \left](https://tex.z-dn.net/?f=v%3D-%5Cfrac%7B11%7D%7B3%7D%20m%2Fs%20%5Cleft)
Explanation:
Given
Mass of car A![\left ( m_a\right )=1 kg](https://tex.z-dn.net/?f=%5Cleft%20%28%20m_a%5Cright%20%29%3D1%20kg)
Mass of car B![\left ( m_b\right )=2 kg](https://tex.z-dn.net/?f=%5Cleft%20%28%20m_b%5Cright%20%29%3D2%20kg)
velocity of cart A=3 m/s
velocity of cart B=-7 m/s
Conserving momentum
![m_au_a+m_bu_b=\left ( m_a+m_b\right )v](https://tex.z-dn.net/?f=m_au_a%2Bm_bu_b%3D%5Cleft%20%28%20m_a%2Bm_b%5Cright%20%29v)
![v=\frac{m_au_a+m_bu_b}{\left ( m_a+m_b\right )}](https://tex.z-dn.net/?f=v%3D%5Cfrac%7Bm_au_a%2Bm_bu_b%7D%7B%5Cleft%20%28%20m_a%2Bm_b%5Cright%20%29%7D)
![v=-\frac{11}{3} m/s \left ( i.e. in\ left\right )](https://tex.z-dn.net/?f=v%3D-%5Cfrac%7B11%7D%7B3%7D%20m%2Fs%20%5Cleft%20%28%20i.e.%20in%5C%20left%5Cright%20%29)
Answer:
Explanation:
Electricity is a flow of electrons. Electrons can flow across a vacuum. ... They need to leap because the vacuum is a perfect insulator and so there is no medium in which they can flow (like through a metal conductor) so they must aquire all of the energy necessary to cover the distance before they can escape the cathode.
A. At the poles the sunlight would have to pass through the thickest amount of atmosphere before reaching Earth's surface.