Which sentence in the passage uses definition to help explain the meaning of the word Celts? Halloween

Halloween is one of the oldest celebrations in the world. In fact, it dates back to before Christianity began. Today, Halloween mainly is celebrated by wearing scary costumes and asking for treats. However, its primary purpose was to remember the dead. It was said to be a day when the spirits would cross over to the next world. Also, the day was originally used to mark the beginning of winter. This tradition was followed by the Celts. This ancient group of people lived in the Bronze Age. Halloween, for them, was rather glum and not a day for rejoicing. Over the years, the holiday became less grim. People began seeing it as a day of celebration. Today, families carve pumpkins to decorate their houses. They also play games, such as bobbing for apples.

Part a - prefixes, roots, and suffixes match these prefixes, suffixes and roots to their meanings. phospho- angio- -uria -tropic -phag- a. the word root means blood or lymph vessels. b. the word root means urine. c. the word root means feeding or eating. d. the word root means phosphate or phosphorus. e. the word root means attracted specifically to the specified organ or tissue. part b – match these vocabulary terms to their meanings. gonadotropic polyuria angiotensin ii polyphagia phosphodiesterase upon the release of renin, is produced and stimulates vasoconstriction and the release of aldosterone. fsh and lh are examples of hormones, which target the ovaries or testes. an enzyme that degrades second messengers like camp or cgmp is . overproduction of urine, or , is a sign of diabetes mellitus. overeating, or , is a sign associated with diabetes mellitus.

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?