Yes there was a beginning. The question is, before energy and matter does time and space even make sense? Since we are bound in space and time, and all observations we can make are from our experiences in space and time. Yet the Bible is clear: Before Creation there was God!
Footnote: Elohim is Hebrew, the corresponding Arab word is Allah, which is also plural.
It takes time, and a full cycle to build a stable eco-system.
Clouds are God’s way of stabilizing temperatures. If there were no clouds, temperatures in the tropics would be as high as 140 degrees F. There are many different cloud types:
Of these cloud types the cumulus clouds and the cumulonimbus (Thunder storms) are the most important in stabilizing the temperatures. They appear during day and afternoon if temperatures are high enough, and they cool significantly, mostly by reflecting incoming sunlight back into space.
A man has an X and a Y chromosome, a woman has two X chromosomes. There are a few other combinations with an extra chromosome, rare, but they do exist. Total combinations, XX, XY, XXY, XYY.