Answer:
The circulatory system, also known as the cardiovascular system, is a simple loop which starts, and ends, with your heart. It is a closed system, meaning blood does not enter or leave the system during its journey from your heart to your body and back again.
Explanation:
Answer:
The human population is yet to reach its carrying capacity. However, the following will suggest that humans have reached their carrying capacity.
1. When humans are unable to increase food production which is expected to sustain a larger population.
2. When humans' use of resources, in general, is greater than resource availability.
Explanation:
The human population is yet to reach its carrying capacity. However, the following will suggest that humans have reached their carrying capacity.
1. When humans are unable to increase food production which is expected to sustain a larger population.
2. When humans' use of resources, in general, is greater than resource availability.
Answer: 2 electrons
Explanation:
The inner shell (1st shell) can hold 2 electrons, the next shell can hold 8 electrons and the third shell can hold 18 electrons.
Atoms are electrically neutral because they have equal numbers of protons positively charged and electrons negatively charged.
Answer:
There is a family called Cercopithecidae where monkeys belong.