Answer:
C
Explanation:
all of the DNA the makes up a chromosome
Answer:
Body functions, reflex development, and skin details
Explanation:
The second trimester marks the period between the thirteenth to the twenty-sixth week. During this period of fetal development, the fetus begins reflex development such as sucking and swallowing. He is also now able to respond to stimuli.
Body functions are also developing at this stage. The baby can now kick, turn, and move his body. The brains are developing, the hairs and fingernails are also beginning to develop.
Skin details are also developed at this stage. For example, the vernix caseosa is produced to protect the skin of the fetus.
Answer:
A
Explanation:
water expands as it goes from liquid to solid. When the temperature is warm, water works its way into cracks in rock. When the temperature cools below freezing, the water turns to ice and expands. The ice takes up more space.
Quartz (also known as silica) is a crystalline pure substance composed of silicon dioxide (SiO2). It is ,therefore, homogeneous.
It is good to know that inhaling <span> finely divided crystalline silica can be poisonous and can lead to several diseases including lung cancer,</span> bronchitis as well as <span>silicosis.</span>
