One of the use of Agriculture is that It bears no effect on the environment
unlike any other industry , If it done right, Agriculture will leave no side effects to the environment. It basically just let the nature do it's thing and we harvest the result.
Based on the scenario, the client who behaves the way he is
in the scenario is likely to behave in a way that his expression of feelings
are being controlled. It could be seen from the way that he is trying to keep
it in despite of the struggle or the scenario that he has experienced.
The brain, heart and the skeleton are the integral parts of the nervous system, circulatory system and the skeletal system respectively. The nervous system is made of the brain and the spinal cord with neurons as the structural and functional units of it. The circulatory system is made up of the heart and its blood vessels. The skeletal system is made up of the bones and cartilages making the skeleton of the body.
The brain regulates the heart beat and the blood pressure. The heart nourishes the brain with oxygen and nutrients by pumping blood. The bone cells are nourished by the blood pumped by the heart. The bone marrow of the skeleton produces the new red blood cells which enter the blood circulatory system. Also the the ribs and the breast bone of the skeleton protects the heart, the cranium of the skeleton prtects the brain. The bones also provide calcium which is necessory for the functioning of the nervous system. The brain controls the skeletal movements of the body. The cerebellum of the brain controls the voluntary skeletal movements and the medulla controls the involuntary skeletal movements of the body. The blood brain barrier formed by the endothelial cells of the capillary walls located in the brain seperates the circulating blood from the brain and the extraclellular fluid in the central nervous system and acts as a selective semipermeable border.
Answer: 2
Explanation:- Mechanical advantage is the ratio of the output force to the input force.
Mechanical advantage=
Given:
Input force = 320 N
output force= 640 N

Answer: They have both RNA and DNA
Explanation: Rickettsiaceae possess both nucleic acids RNA and DNA, this is a distinctive characteristics of the organism. They are pleomorphic organisms and are mostly gram-negative organisms.
Rickettsiaceae are infectious to arthropods therebygiving making them an intermediate host or carriers and human can be infected via biting from infected arthropods.