Which of the following happens during the second trimester of fetal
development?
A. Fetal breathing becomes rhythmic.

B. The placenta develops.
C. The weight of the fetus becomes half of what it will be at birth.
D. The fetal reproductive system matures.

Someone help me please

interphase   is the cell cycle stage in which the cell acquires nutrients, creates and uses proteins and other molecules and starts the process of cell division by replicating the dna. it is the longest stage in the eukaryote cell cycle.

the following   can go wrong during interphase:   a base pair could be mismatched during the duplication process causing a mutation.   correct answer: c

explanation:

preservation because he preserves part of the land and preserves means save

explanation:

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles