The answer is D. Hope this helps:)
Answer: Scientists have recorded five significant ice ages throughout the Earth's history: the Huronian (2.4-2.1 billion years ago), Cryogenian (850-635 million years ago), Andean-Saharan (460-430 mya), Karoo (360-260 mya) and Quaternary (2.6 mya-present).
Answer:
The Preamble to the Constitution of the United States is a preliminary introduction found in the constitutional text, designating the main objectives of the Constitution.
In this context, one of the main objectives of the Preamble is to promote general welfare. Thus, we can understand general welfare as the situation by which the entire population is guaranteed their essential rights, that is, to security, health, education and freedom. Therefore, given that in the context of the right to health, the United States has certain shortcomings, since it does not have a free universal public health system, a regulation that creates a system of first aid and treatment for accidents or serious chronic diseases. a step forward towards the promotion of general welfare as established in the Preamble.
Answer: I think a not sure sorry if wrong
Explanation: