An herbicide is a weed killer. It is very harmful to plants, so the correct answer would be D. The herbicide would kill the native plants.
Nanotechnology offers the means to target chemotherapies directly and selectively to cancerous cells and neoplasms, guide in surgical resection of tumors, and enhance the therapeutic efficacy of radiation-based and other current treatment modalities.
If the underlined verb is <em>will have been talking, </em>in the sentence Lillian will have been talking for two hours by the time she finishes her classical music lecture, then the correct answer is D. future perfect progressive.
A would be - will talk.
B would be - will have talked.
C would be - will be talking.
Since acid is less than 7, you'd want the remedy to be more than 7.
