Based on the information in this passage, which of the following is a reasonable conclusion?

A) Scientists will never change the classification system again.

B) Scientists know everything there is to know about all organisms.

C) Scientists have never changed the classification system.

D) New scientific discoveries could change the current classification system.

Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

Ascientific idea becomes valid when it is what?