Answer:
To make sure that the experiment is accurate, the scientist must make carry out an appropriate observation, which would lead to the formation of good hypothesis. Good experimental method is an other criteria to look forward for the accurate experimental results. Methods are applied in collection of data and other things and in compiling results using statistical methods to carry out an accurate experiment.
Answer:
D
Explanation:
it basically sums up A and B and seems the most likely
A pregnancy lasts for 40 weeks, The weeks are grouped into three trimesters, The second Trimester includes weeks 13 through 27 of a pregnancy.
In the second Trimester the baby grows larger and stronger and many women begin showing a larger belly. Most women find the second trimester is a lot easier than the first.
When the second trimester starts the baby is about 3 inches long. At the beginning of the second trimester the baby's head is the biggest part of his or her body. During the next weeks the rest of the baby's body will get longer in order to catch up . By the end of the second trimester the baby may be 9 inches longer or longer. The baby will start to hear certain sounds, like the mother's heartbeat. The baby's hearing will continue to improve. The baby will have fingerprints and footprints by the end of the second trimester, Fine hair, and a white waxy substance cover and protect the baby's skin. The skin is thin, loose, and wrinkled. By the third trimester fat will start to fill in under the skin. The baby's digestive system will start to function, the baby will also begin to produce and release urine, which becomes amniotic fluid. By the middle of the second trimester the baby's sex should be clear.
Hope This Helped!
Answer:
adrenal gland - thyroid
Explanation:
what the incorrectly paired matches should be:
islets of Langerhans - pancreatic cells; pituitary in brain/endocrine system
adrenaline - made in adrenal medulla [in center of adrenal gland]
estrogen - made in ovaries
hope this helps!!
Answer: I believe it is D, the Nervous System.
Explanation:
