Answer:
Our best guesses are that life began somewhere between 3.5 Billion and 3.8 Billion years ago
With everything else as constant (the planet's gravity, itself), then yes, this is true. But, if the planet's gravity still exists, then the Sun's gravitational force doesn't matter as much because of the astronomical distance between the two bodies.
<span>El Nino
</span>A change in the water temperature of the eastern Pacific Ocean that produces cooler than usual surface water temperatures. An unusually long period during which rainfall is below average. Used by NOAA to collect data to predict an El Nino<span>.</span>