Answer:
D. Warm front
Explanation:
Warm fronts typically have warmer and more moist air than the air in front of it. Replacing the cold air with warm air can cause precipitation.
Answer:
Going for a check up and taking the appropriate medication.
Explanation:
Answer:
At about 38 weeks after conception, the fetal brain signals the release of hormones, specifically <u>oxytocin,</u> which prepares the fetus for delivery and begins labor.
Explanation:
Oxytocin is a hormone released by posterior pituitary gland because it is responsible for the uterine contractions during labour.
Fetal hypothalamus secretes corticotropin releasing hormone near term which stimulates fetal Anterior pituitary gland to secrete adrenocorticotropin hormone (ACTH) which stimulates adrenal cortex to produce cortisol which stimulates the secretion of estrogen from placenta, inhibition of P synthesis causing increased uterine contractions by cauisn increased oxytocin released from posterior pituitary gland.
The evidence that the scientist have of the Silurian period are fossils.
<u>Explanation:</u>
Silurian period is the third period in the Paleozoic era and it occurred between 443 million years ago to 416 million years ago. The main evidence of Silurian period that the scientist have is the fossil evidence. Silurian period was marked by the rising sea levels.
The continents also were low at that time. This enabled the development of life in shallow waters and terrestrial ecosystem. The fossils of coral reefs from the Silurian period have been found. Earliest arachnids like millipedes, centipedes originated in the Silurian period. The arrival of first plants to land also happened during the Silurian period.
Tl = thallium
look at the periodic table look for element number 81 on the periodic table and that's TI
It's mass number is 204.38