Astudent wants to know which part of his local beach contains the most turtle nests during nesting season. he makes a prediction to investigate based on his observations and plans his experiment. he performs the experiment to collect data. once his experiment is completed, he gathers his evidence and analyzes it to form a conclusion. what part of the scientific method is he missing from this investigation? ask a question. construct a hypothesis. do background research. analyze the evidence.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?