The Ancient Mayans developed the science of astronomy, calendar systems, and hieroglyphic writing. They were also known for creating elaborate ceremonial architecture, such as pyramids, temples, palaces, and observatories. These structures were all built without metal tools.
Answer:
Efforts of civil rights groups
Explanation:
Radium was discovered by Maria Sklodowska-Curie -the correct answer is b. Actually she discovered it together with her Husband, Pierre Curie, they obtained it from a uranite sample.
Eum there is no picture... I would like to help you though
Answer:
When leaders delegate certain tasks to others, they become free to focus on higher-value activities and use their time more productively. Delegation not only gives leaders time for strategic thinking but also allows them to focus on other tasks that only they can perform, such as leading and coaching their team.
