You are given a sentence and your task is to generate another sentence that supports the given input.

Birth  typically occurs at about 38 weeks after fertilization, so the fetal period generally lasts about 30 weeks.
The fetal period lasts approximately 30 weeks weeks.

but when the earth s surface reradiates energy back to space, a significant portion of this thermal radiation is absorbed and reradiated by the atmosphere s CO 2 molecules back to the earth s surface, incrementally warming the planet.
Gases such as co2 and methane can trap thermal energy in earth's atmosphere before radiating it into space.

Neutrons collide with an atom of 235 U, which splits into two fragments called fission products , producing energy (heat) and two more neutrons.

A neutron collides with an atom of u-235 during the basic nuclear fission process.