Will knows that the gravitational pull of mars is less than the gravitational pull of earth. when he lands on mars, his mass will be 75 kilograms. his weight on mars will be his weight on earth.

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

What is a group of organisms that are closely related and share similar characteristics

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different