The answer to the question stated above is letter b. <span> <span>a meteor or asteroid colliding with Earth
</span></span> <span>The mass extinction at the end of the Mesozoic Era was caused by </span>a meteor or asteroid colliding with Earth. This was said to happen about 65 million years ago.
Osama bin Laden declared war on the United States because he <span>saw the United States as an oppressive, occupying force that was evil and harmful to Islam. The correct option among all the options that are given in the question is the fourth option or option "D". I hope the answer has come to your great help.</span>
Pretty sure the answer is oxygen, as it is produced in photosynthesis and consumed in respiration.
The parent cannot produce an offspring with blood type 'o' because you can have a or b passed on so any answer with that in it will work