Answer:
"theory of evolution by natural selection,”
this was proposed by charles darwin and alfred wallace in the 19th century
A mixture is made from two or more substances that are different and are not joined. A compound is a substance formed when two or more elements react with each other to form chemical bonds between their atoms
When Patrick claims that he cannot hear the TV if he turns down the volume, he is illustrating an example of physiological perception.
Physiological perception describes that our senses are the physiological basis of perception where the sensation is the input regarding the physical world and perception is the process that helps the brain to select, organize and interpret these sensations.
Answer:
Do you know what the Law of Conservation of mass says? Matter is neither created nor destroyed. Therefore, you have started with 12.7 g Cu and 3.2 g S on the left for a total of 15.9 g; therefore, you must obtain 15.9 g of product(s). If Cu2S is the only product there must be 15.9 g Cu2S.
Pitfall traps (pitcher plants) trap prey in a rolled leaf that contains a pool of digestive enzymes or bacteria. Flypaper traps use a sticky mucilage. Snap traps utilise rapid leaf movements. Bladder traps suck in prey with a bladder that generates an internal vacuum.
