true or false
1.pulumanary artery carries oxygen rich blood.____
2.yeast is a multicellulas organism___
3. every object moves with a constant speed ____
4.three is an electromagnetic in an electric bell______
5.a real image cannot be obtained on screen ______
Answers
Answer:
1.The pulmonary artery carries oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium. The aorta carries oxygen-rich blood to the body from the left ventricle.
2.false
3.For an object to move at a constant speed, the acceleration of the moving object must be equal to zero. This means that the magnitude as well as the velocity of the object is not changing and its direction also is not changing.
4.Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles. ... At high energy the weak force and electromagnetic force are unified as a single electroweak force.
5.(A) An image that cannot be obtained on a screen is called virtual image. Virtual images cannot be obtained on a screen, whereas real images can be obtained on a screen. (B) An image formed by a convex mirror is always virtual and smaller in size.
Explanation:
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