Answer:
it is a category of star. our sun is a white dwarf
Explanation:
The right answer is: C. Genes are segments of RNA.
Explanation:
They are actually DNA (Deoxyribonucleic Acid.) segments.
Answer:
Yes
Explanation: The more layers, the more water it absorbs.
Answer:
thermal energy is transferred to the object that has the higher temperature to the object that has the lower temperature
The 4 chambered heart is cheaper to maintain and manufacture.
