Answer:
Organ systems: human body and circulatory system
organs: heart
tissue: muscle
Explanation:
Answer:
<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>
Explanation:
The answer is (C), because, red blood cells or wbc regulate body temperature (Idr), wbc fight infections, and rbc transport nutrients
Nutrient Leaching
Leaching is the process where dissolved nutrients in the
soil profile moves downward with percolating water. It is the loss of
water-soluble plant nutrients from the soil. The nutrients that seep through
the rooting zone may be recycled if roots grow deeper.
