Which of the following activities in a science lab would not be safe to do? A) working in a science lab in the evening
B) tasting a solution you think is edible after creating it in a lab
C) creating a compound out of two identified chemicals
D) describe an odor by wafting the air above the container

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6