Answer: A
Explanation:
it’s a hands free device that prevents water being wasted
Geology is the study of the earth and meteorology is the study of the earths atmosphere
Based on the graph, the correct answer is D) The wolf carrying-capacity rises as moose populations increase, but with a delayed effect.
Please note that it is useful to add the options provided with the question, in order to get an accurate answer and have your question answered quicker.
Hope this helps!!
The valves are responsible for preventing blood from flowing in the wrong direction, they are present in the veins, and the arteries don't need them because the aorta (biggest artery) pumps or in other words pushes it with such a force that no other force can change its direction, in the veins there is no structure present for pumping them as a result we have got valves so that they go in one direction...... the meaning of the word valve is to allow in one direction