Answer:
Carbon dioxide is a greenhouse gas and traps heat in the atmosphere. Without it and other greenhouse gases, Earth would be a frozen world. But humans have burned so much fuel that there is about 30% more carbon dioxide in the air today than there was about 150 years ago, and Earth is becoming a warmer place.
<span>the branch of mechanics that deals with the mathematical
description of the motion and interaction of subatomic particles,
incorporating the concepts of quantization of energy, wave-particle
duality, the uncertainty principle, and the correspondence principle</span>
True. Meristem cells found in plant tissue contain undifferentiated cells. You can found meristem cells in buds and tips or areas in plants where growth takes place.
