Answer:
Endangerment of fish species
Explanation:
Answer:
Single-blind procedure/study
Explanation:
Single-blind of study is a type of research procedure in which the researcher is the only one that knows the experimental and control group, only the researcher knows the treatment each group is receiving. The aim of this method is to reduce bias in the study.
To use the land in more profitable ways.
I think the "it" is the Battle of Puebla, 5th May 1862, right?
The world power at the time was France, which was especially strong militarily, and was seen as one of the strongest armies at the time.
Under the Han Dynasty, iron and salt were so important that Emperor Wudi established salt and iron monopolies and new taxes were decreed.
