Answer:
evolution of bidepadlism,
increase in enamel thickness,
regular use of stone tools, enlargement of brain to around 1,450 cc
Explanation:
Answer:
Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface
Jeremy is sitting quietly when the muscles in his left leg begin to “twitch.” This activation of movement in his voluntary muscles is most likely due to the release of the neurotransmitter Acetylcholine .
The primary function of acetylcholine is to carry signals from motor neurons to the body's skeletal muscles.
Answer:
B. Brain and spinal cord
Explanation:
because we need both in order to survive and work properly.
Answer:
The correct answer is 6-9 months.
Explanation:
According to the research done by Dr. Patricia Kuhl of the University of Washington in Seattle and colleagues at Stockholm University in Sweden, the Massachusetts Institute of Technology and the University of Texas in Austin, babies can perceive and learn the basics sounds of their language when they are 6 months old whereas before this study, it was suggested that they gained this ability when they are around 1 year old. I hope this answer helps.