Answer:
These homologous chromosomes represent a maternal and a paternal chromosome
Explanation:
The answer is 60% are active
<span>The muscle at the end of the esophagus is not able to close, which allows stomach acid and digested food to go back up into the esophagus. </span>
Answer:
supaya tak meletup
Explanation:
sebab hitam dapat menghalang cahaya matahari daripada kena ke tabung didih agar tidak terlebih panas dan menyebabkan letupan
Answer: 1.9 million species
Explanation: I looked it up