Answer: The frequency at which new species emerge and are lost over evolutionary time is established by the rates of speciation and extinction.
You’re safest bet is D. Please message me if it is wrong.
Answer:
Vein: A blood vessel that carries blood that is low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxy-hemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system, which returns blood to the heart.
Explanation:
Answer below———please mark me brainliest It would have to be B
“Proteins derived from beans have less saturated fat than proteins derived from red meats”
It is not always easier to cook beans vs red meats as you would have to boil all day so it’s not A
Saturated fat is the bad fat and beans definitely doesn’t have more than red meats does so it’s not C.
Finally D, they are both proteins which has amino acids so it doesn’t make logical sense.
So therefore it’s B...Hope this helps!
