Jovana can measure how much the tree grows by looking at how many rings of growth there is.
It would be easier to identify the specimens because it is more hands on than the illistrations
Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions. Combined, these molecules make up the majority of a cell's dry mass (recall that water makes up the majority of its complete mass)
Explanation:
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If you must leave an injured or ill athlete unattended to get additional help, and you do not suspect an injury to the head, neck or back, then you should ask not to move while going for help, either by calling 911 or looking for someelse to help, once contacted help return immediately with the injured person and check that no threat has appeared to his life and provide care while the help gets there.
The two methods used by breeders to increase the rate of mutation is radiation and chemicals.