This is true. Urea carries the bloodstream to your kidneys which then transport waste along with water to form urine.
The choices can be found elsewhere and as follows:
<span>a) mixture called a suspension
b) mixture called a solution
c) solution and suspension
d) mixture only.
</span>
I believe the answer is option B. If you stir salt into boiling water, you produce a mixture called a solution. Hope this answers the question. Have a nice day.
1 is D
2 is C
3 is A
4 is B
5 is A
6 is D
7 is B
8 is C
9 is asexual reproduction
10 is sexual reproduction