Which observation tool allows shauna’s doctor to monitor her blood circulation in real-time? a microscope a telescope an x-ray an ultrasound

The correct answer is D. An ultrasound

Explanation:

Blood circulation refers to the process in which blood moves to and from the cells of the body transporting nutrients, oxygen and other elements to all the body that are necessary for life and other processes such as regulating temperature. Additionally, this biological process implies the circulation of blood and therefore to observe this, doctors and other experts in the field require observation tools that provide real-time images. Due to this, from the options, the more suitable is an ultrasound because this uses sound waves to create images in "real-time" and thus, they can be used to study organs and also movement including circulation of blood.

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.