Answer: Literally no clue
Explanation: Give me the points queen :)
<span>The oldest known vascular plants in the northern hemisphere are Devonian
This is true</span>
Answer is D.
Waste products from metabolism are carried by the circulation to the kidneys, which filter them out if the blood to be excreted in urine.
Answer:
A human heart is roughly the size of a large fist.
Explanation:
but the size varies according to an individual's age, health and size. The heart weighs 7 to 15 ounces.
