Which strand of DNA
produced this strand of messenger RNA?
A) UACAGUGCUAGA
B) ATGTCACGATCT
C) TACAGTGCTAGA
D) AUGUCACGAUCU

When ash and dust begin to settle on the ground, they eventually become compacted by

Why does competiton happen? a: different organisms have different needsb: there are limited resources in an ecosystemc: there are no predators in an ecosystemd: organisms do not need the same resources (i think it's b but i'm not sure)

Which statement is true regarding weathering in dry environments? a) chemical weathering is absent because of a lack of humidity. b) physical weathering is usually more evident than chemical weathering. c) it is impossible to identify the type of weathering that has occurred. d) physical weathering does not play a significant role in dry environments.