In 1686, Franciscan friar Father Damián Massenet and General Alonso de León, the Spanish embodiments of church and state, headed north from Mexico into Texas. Their first task was to find La Salle and his colony.
<u>Reason as exposure to teratogens during the embryonic period carries the greatest risk for developmental abnormalities:</u>
Teratogens are those substances that causes functional or physical abnormalities when the pregnant women are exposed to it. The are four types of teratogens namely,
- metabolic conditions
- physical agents
- drugs or chemicals
- infections
Generally, the abnormalities occurs during the third to eighth week of pregnancy i.e the period when the major organs of the fetus develop. They can also lead to the complications like miscarriage, preterm labors or spontaneous abortions.
Some of the types of tranquilizers namely, lithium and phenothiazine are considered to be teratogens. Most of the congenital malformations are of unidentified origin, but the teratogens that are known and evaluated include maternal illnesses and infections, drugs, metal toxicity, or physical factors (for example radiation).
B) a water route to north america
Answer:
The answer is: an ethnography.
Explanation:
Ethnography is a research method that consists of the study of the everyday life of a group of people. When social researchers first began using this method, it was common for them to live with the group they were studying over a period of years, since they focused on the study of foreign cultures. However, although ehnography still implies the submersion of the researcher into the community or culture he is studying, it doesn't necessarily have to be a foreign non occidental culture.
Within this method, researchers can use several research techniques to gather data, participant and non participant observation, interviews, etc.
Their ideas change when a new discovery comes along and proves something else
