Answer: The correct option is D: Is alloyed with carbon and chromium to make stainless steel.
Explanation: Because of its physical characteristics, iron is a material that tends to oxidize easily. With the chromium alloy stainless steel is created, which for its quality can be used in the manufacture of structural steels.
Explanation
EPA stands for Environmental Protection Agency was founded in the year 1970 in the month of December.
EPA’s role in environmental regulation are:
- EPA's role to protect, analyzing, Monitoring the environment.
- Implementation of the environmental law.
- Environmental guidance and plan.
- EPA goal is to improve the environment condition and contribute to making our ecosystems sustainable.
- The EPA controls the distribution, production, processing, and handling of chemicals and pollutants.
- Assuring the Safety of Chemicals so that it does not cause any harm to the environment.
Answer: I believe it is “There were significant changes in scientific knowledge about planets”
Explanation: Since scientific knowledge has grown about planets, Pluto doesn’t fit some descriptions in order to be classified as one.
Answer:
3. increased importance of culture as an adaptive mechanism
Explanation:
Millions of years have passed since the split between the nonhuman apes and Homo sapiens. Many of the evolutionary changes that have occurred are still relevant today and will likely be relevant to our future. Which of the following are the most important evolutionary changes that happened during the Neolithic period? increased importance of culture as an adaptive mechanism
Neolithic Revolution is known as the Agricultural Revolution where major changes were introduced and wide-scale transition of many human cultures from a lifestyle of hunting and gathering to one of agriculture and settlement, making an increasingly increased importance of culture as an adaptive mechanism
Es 4 porque si ok yo no se como
