Cool though i,don't know this
One today equals two tomorrows means that what you can accomplish today is more important than what you have planned tomorrow. Today is now. Do something today if you are able to do it. Tomorrow is not guaranteed. The time that you have in life is limited. You have to accomplish one day at a time without thinking about a tomorrow.
I agree with that because if you don't do what you planned to do today, you will probably never get another day to do it. Life can be very unpredictable and I think you should take one day at a time and live your life to the fullest.
<span> "In 1903, Orville and Wilbur Wright made history by flying an airplane at Kitty Hawk" is the best option from the list because it conveys the most information with the least words. </span>
The ecosystem can be described as a situation that can be living organisms and they can interact with non-living things in the immediate environment.
Cause-and-effect relationship helps the living organisms to help and understand what causes some things and what effects them .
Hopefully this help :)!