B ecosystem. They include abiotic factors and biotic factors.
Cell theory because one of the rules is that all cells comes from already existing cells or something
the seasons in the northern hemisphere are the opposite of those in the southern hemisphere. this means that Argentina winter ans Australia winter begins in June the winter solstice in the southern hemisphere is June 20th or June 21 while the summer solstice the longest day of the year is December 21 or 22
<span>A. The nebula contracts and shrinks instead of expanding
</span><span>Nebula is the cloud of interstellar dust and gas that forms a star. It is collborately shaped during colliding and collapsing of the interstellar mediums this is influenced by the gravitational attraction of the atoms and particles in the entites. Hence, there are three types of nebular namely, are classical nebula, diffuse nebula, planetary nebular and supernova remnants.</span>
C - the ability of the body to keep a constant internal state
• Homeostasis is something like hunger, where your body will let you know that you are hungry so that you will eat, and keep your body stable
hope that helps! :)
