I believe it’s a or c. and those links are so annoying i had to start a new account
The <span>corpus callosum connects the two hemispheres.
Hope that helped you!</span>
The major causes of the greenhouse effect is excessive carbon dioxide gas in the atmosphere. The greenhouse effect is a process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by green house gases, such as carbon dioxide, water vapor, metahne, nitrous oxide, and ozone. The absorbed energy warms the atmosphere and the surface of the Earth.
Chloroplasts because that is the substance that gives leaves its green colour and also helps in photosynthesis
Comparison between mitosis and meiosis is tabled below as per the parameter provided in an attachment: