The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record. This event is sometimes called the "Cambrian Explosion," because of the relatively short time over which this diversity of forms appears
Explanation:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
Answer: The image formed by a plane mirror can only be the same size as that of the object.
Explanation :
A plane mirror consists of a highly reflecting surface. This surface reflects a large portion of light. One of the surfaces is polished with red lead oxide.
The image formed by the plane mirror is of the same size as that of the object. The distance between the object and the mirror is equal to the distance between the image and the mirror.
Out of given options, the correct one is (d) " The image can only be the same size as the object ".
Answer: Plants
Explanation: Less solar radiation would mean less sunlight for photosynthesis which means that they won't get enough energy for survival and might die out.
