1. Scientists have recently discovered one the smallest stars on record. How long will this star last compared to a larger star formed at the same time? O A. The larger star will last longer than the smaller star because it uses fuel more efficiently.
OB. The smaller star will last longer than the larger star because it burns less fuel.
OC. The larger star will last longer than the smaller star because it attracts more nebulae.
OD. The smaller star will last longer than the larger star because it has a smaller chance of getting hit by an asteroid.

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.