b. The content may become more clear as the concept builds upon itself
Explanation:
Often the content of a text is difficult because we are unfamiliar with language or even the subject matter in the text is something unknown or difficult to understand. However, we must insist on a difficult text, because the content will be developed throughout the text, and as we continue reading we become more familiar with the language used by the author. All of this helps our understanding and a rereading of the text can help even more understanding. For this reason, we can say that you should try to finish reading difficult text because the content may become clearer as the concept develops.
Answer: The 3.9 billion year old rock has undergone three half-lives (3.9 divided by 1.3 = 3). After 3 half-lives, 12.5% of the potassium-40 remains undecayed.
The answer is Maria is having an emotion-focused coping. Emotion-focused
methods can support with nearly all stressors. These approaches construct
emotional flexibility to stressors now and in the future. Emotion-focused
coping is well well-matched for stressors that seem uncontainable (ex. a
terminal illness diagnosis, or the loss of a loved one).