Charles Darwin; he studied the different beak shapes/sizes of Galapagos finches and found that over time, they changed due to their needs for the food found around them (evolution).
Answer:
Nuclear chemistry is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
Explanation:
Lemme get brainliest please.
False. Pure substances that cannot be broken down into simpler substances by ordinary chemical means are called Elements.
Hey there!
The purpose of guard cells is to control the opening and closing of the Stomata, keeping it the correct width, or size.
Therefore, your correct answer would be Option 3, control the size of the Stomata.
Hope this helps!