Answer:
The moon is about one-fourth the size of Earth.
Explanation:
- The Moon has a diameter of 3,476 km and is one-fourth of the size of the earth. Moon is about 27% lesser than the size of the earth.
- Earth's moon is the fifth largest moon in the solar system having a radius of 1,737 km.
- The surface area covered by the moon is about 37.9 mn km square. It is even smaller than the continent of Asia. The moon's mass is about 1.2% of the mass of the earth.
Answer:
1. B. parasitism
2. C. parasitism, predation, mutualism
Explanation:
Answer:
<h2>pulmonary trunk</h2>
Explanation:
The pulmonary valve is an important semilunar valve and found in the heart between the pulmonary artery and the right ventricle. This valve contains three cups that are responsible for the guarding of the pulmonary trunk. The pulmonary trunk is an important vessel of the heart that arises from the right ventricle and plays an important role in the circulation of the deoxygenated blood. The pulmonary trunk is called the main pulmonary artery.
Answer:
A submersible technology designed to operate the submarines underwater.
Explanation:
We have learned about submersible technology suck as submarines and ROV's is that pumping system is used to remove water from the submarines and ROV's in order to make it lighter. A submersible is designed to push water to the surface. When a pressure switch is turned on, the impeller started to spin drawing water into the pump. The water is then pushed through the pump and brought it to the surface. Due to removal of water, the submarines and ROV's become lighter and they will come to the surface of water.
