1the atmosphere<span> also protects living </span>things<span> on Earth from the sun's harmful ultraviolet radiation. 2</span>tmosphere filters out these dangerous rays. 3The atmosphere<span> also helps to sustain life of Earth. .4blocks harmful electromagnetic 5.provide oxgen</span>
1. i
2.a
3.d
4.b
5.e
6.c
7.g
8.f
Answer:
The true statements are-
1) Sensory neurons transmit efferent impulses towards the antagonist muscles
2) Sensory neurons transmit afferent impulses towards the spinal cord (CNS)
3)When a stretch activates the muscle spindle, these sensory neurons transmit impulses at a higher frequency.
Answer:The semi-conservative nature of DNA replication prevents mutations because every new base incorporated must be able to base pair with the original.