I just read up about that and i was thinking but it only makes sense that the answer is d
Answer: The federal government contributes about 10% of the total budget for both groups, primarily in the form of categorical grants to state education agencies. Local taxes generate the bulk of school funding (40%–50%). The heavy reliance on local property taxes causes significant funding differences within and across states
Explanation:
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Answer: New technology methods
Explanation: Techonology itself is developing quick from day to day. It is important to try and add new things that can improve it. So developing a specific method that is very well planned and established can advance technology.
The name is Pre-Cambrian era
Answer:
president pro tempore of the Senate