Answer:
clinical trials test the safety and effectiveness of a drug or treatment. It is important that they be done correctly
Explanation:
Answer:
It’s either B or A
Explanation:
Bridges for bears and tunnels for tortoises have significantly reduced the number of wildlife-car collisions worldwide. Roaring traffic doesn't stop big mammals like moose and bears from crossing highways—nor does it keep myriad smaller creatures from being squished by car tires.
hope dis helps ^-^
Learning is taking in new facts, while studying is looking over stuff you already know to prepare for a test. For example: You look over flash cards while studying to remember things you already know. While st school, you take in new information.
the main means of mass communication especially television, radio, newspapers, and the Internet regarded collectively. Media (the singular form of which is medium) is the collective communication outlets or tools that are used to store and deliver information or data.
Please give me brainliest!
