Answer:
Renewable resources = electricity,wood
Non renewable resources= petrol,diesel hope u understand
Answer:
The presence of an additional chromosome
Explanation:
Look at "pair" 21. See how there are THREE chromosomes instead of TWO? Normally, there would only be two chromosomes in each pair but this karyotype shows a trisomy (see def. below) of the 21st pair. This was caused by a nondisjunction mutation of the 21st pair. The is also the karyotype of a person with Down's Syndrome.
Definition of Trisomy:
A condition of the presence of three chromosomes in a pair instead of two. This normally causes developmental irregularity.
Answer:
C. Sometimes molecules need to move from low to high concentrations.
Explanation:
Answer:
True
Explanation:
Serous membranes are found around organs to lubricate them and reduce friction
