Answer:
Scientific method is not developed in the 1800s
The clean water act was the law that required industries to reduce or eliminate point source pollution in surface waters. The clean water act was the federal law in the united states that was signed in 1972 governing water pollution. it was enacted to provide for the prevention and control of water pollution, and for the maintaining or restoring wholesomeness of water in the country. The growing public awareness and concern for controlling water pollution led to sweeping amendments in 1972, thus establishing basic structure for regulating pollution discharges into the waters of the united states.
Answer:
The clavicles and the cranial bones of the skull develop from a fibrous membrane. This process is known as intramembranous ossification.
Humans and animals need oxygen to survive so oxygen in the atmosphere maintains life on earth for humans and animals to breathe to survive
Eubacteria are considered to be “true bacteria”. They are characterized to a lack of nuclear membrane, single circular chromosome and have cell walls composed of peptidogycan. A popular classification system divides all living beings into three domains: Eubacteria, Archaea, and Eukaryotes Hope this helps!