Stomata open in the daytime, when there is an abundance of heat energy from the sun that causes evaporation of water, causing the guard cells to become flaccid, allowing the stomata to open.
<span>The cortex is the outermost layer of brain cells. Thinking and voluntary movements begin in the cortex.
</span><span>The occipital lobes contain the brain's visual processing system.</span>
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a "y" shaped protein that helps destroy pathogens. Antibody is also know as immunoglobulin because it is used by the immune system
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mine to but i have no idea about that what grade are u in thats kinda hard and comfusing.
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