Answer:
1. The car traveled 225km in 3 hours
2. It took him 3 hours to travel 12 km
<span>According to Mendel's law, the effects of our environment are not passed on to the next generation
(In classic Mendelian inheritance, environmental effects are not passed on to the next generation)</span>
Answer: <u>Nodes of Ranvier
</u>
Explanation: The nerve cells are also termed as neurons. Their structure is quite from other kinds of cells. These consist of long and slender region called as axon, with branches at one end, called as dendrites and a head region on the other end, called as cell body. The structure is shared below.
The axon region is covered with mylein sheath, throughout the region except few gaps, which act as the points from where action potential jumps and pass from one neuron to another.
Answer:
16: D edit it ment to be d
17: B
Explanation:
For 16 if you look at the chart you can calculate by seeing what letters intersect which was D.
For 17 it's common sense if you do research.
Cell divison is necessary to replace cells that are worn and aging. Cells do not have an indefinite life span. Fo example, the life span of a red blood cell is about 120 days.