Africa has almost no land left to expand agriculture
Indicate whether the statement is true or false
FALSE
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A weight on an end of a spring bobs up and down one complete cycle every 2 s. Its frequency is
A) 0.5 Hz. B) 1 Hz. C) 2 Hz. D) none of the above
Many invertebrate animals, such as oysters, snails, clams, and barnacles, are examples of preserved by ________, and they bury themselves when alive.
A. replaced by minerals B. rapid burial C. hard parts D. sap (amber)
Your friend plants Roundup Ready seeds in her garden and several months later notices that her garden is overrun with weeds. She calls the seed company to complain. How should the customer service agent respond?
A) The customer service agent should point out that Roundup Ready crops are no longer legal and should advise your friend that any crops she is growing need to be destroyed and not eaten because they are contaminated. B) The customer service agent should put your friend on hold indefinitely. C) The customer service agent should point out that the Roundup Ready plants would survive being sprayed with Roundup. Your friend never used Roundup on her garden, so the weeds overran her garden. D) The customer service agent should point out that the kind of weeds in her garden must already be resistant to the effects of the Roundup that was in the seeds. E) The customer service agent should apologize, because the seeds were already treated with Roundup, which should have controlled the weeds.
Which is not an intrusive igneous rock?
A. diorite
B. andesite
C. granite
D. gabbro