Answer:
<u>A common element among all the river valley civilizations was irrigation systems that moved water to crops and settlements</u>
Explanation:
- <u>River Valley civilizations where the civilizations that were found on the banks of the river like the Mesopotamia ,Indus valley civilization.</u>
- <u>These civilization where agriculture based civilization as they depended on river for drinking water and irrigational activities</u>
the answer is b ..........
Explanation:
b
Plastic tupperware containers
Answer: Central and Peripheral.
Explanation: The nervous system has two major divisions: central and peripheral. The central nervous system contains the brain and the spinal cord. The peripheral nervous system contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body.
The Prostate gland
The prostate is a walnut-sized organ that surrounds the
first part of the urethra. It is located between the bladder and the penis. Semen
is formed by the prostate by combining a thick white fluid it initially produced
with the sperm from the testicles. It also produces an antibiotic protein known
as prostate-specific antigen (PSA) that changes the semen into liquid.