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.
Throwing garbage on the ground, not putting out a camp fire, lighting something that creates smoke...
Answer:
a eukaryote is DNA(genetic material)in the form of chromosomes within the nucleus and it contains all living organisms
Explanation:
Answer:
For electromagnetic waves, speed is constant, so waves with a high frequency and a short wavelength (like X-rays) are the most energetic. For all waves, a greater amplitude means more energy
Explanation:
When people think about weather they think about short-term changes in the atmosphere.
B. The length of time over which the conditions are measured