Answer:
O silicon (Si)
Explanation:
-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.
Answer: <u>Lipids can also be broken down into their components(hydrolysis). Reason 1, When you eat fats, they are broken down by your digestive system and turned into products that can be used for other functions. Reason 2, When the body has run out of quick energy, and needs to tap into stored energy.</u>
Explanation:
Answer:
d
Explanation:
body size has nothing to do with color. increased number of hunters doesn't work because environment isn't mentioned (i.e. if it was a snow environment it wouldn't make sense). random mutations have to have environmental cause to prevail. so it is d.