You get violently ill one hour after eating a meal. what possible form of food intoxication might you have contracted? e. coli staphlococcus aureus salmonella camplybacter jejuni

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

What is the next step in muscle contraction after the actin changes shape? (apex)

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence