Which phrase best describes scientific theories?
a.explain few observations
b.serve as speculations
c.are never proven
d. cannot be replaced
Biology
Answer:
4
Explanation:
Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.
Answer:
The Full form of BT is Bleeding Time. The BT test determines how quickly a man's blood clots to stop bleeding.
Explanation:
Brainliest plzz
<span>Potential energy because it has the potential to move.</span>
