According to the latest study, Homo sapiens were found to expand in Africa more than 100,000 years and the fossil included skulls, jawbones, femur, humerus with a mixture of a modern human and more ancient feature. Homo sapiens were the most numerous mammal and the only existing member of genus Homo.
Answer:
The correct answer is A the excretory system when it sends out liquid waste as urea
Explanation:
The respiratory system play an important role in the the transport of oxygen and carbon dioxide in and out of the body thus maintaining the homeostasis of oxygen carbon dioxide ratio in our body which is very very important in maintaining the normal body physiology.
On the other hand the excretory system maintaintain homeostasis by interaction with respiratory system.Excretory system helps in the removal of waste material such as urea,ammonia and uric acid from our body through urine.The accumulation of waste products can hamper the normal body physiology.Thus excretory system also helps in maintaining the homeostasis of our body.
An acid is a substance that can donate an H+ ion because the H+ is the only positively charged ion present in this type of substance.
Answer:
Frequency, or gene frequency, is the relative frequency of an allele
Explanation:
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can i get the brainliest
1. encating laws or voluentary agreements
2. working to keep enough attractive affordable houses
3.assuring that development is spread out fairly
4. make quality trasportation