Fossils are found mainly in which type of rocks? a. igneous b. sedimentary c. metamorphic d. volcanic

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

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

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.