Answer:
Physical change
Any change to the physical properties of a substance is called a physical change.
Physical changes are usually reversible as no new substance is formed. It is the same substance but with changed physical properties.
Chemical change
A change in which one or more new substances are formed is called as a chemical change.
Usually a chemical change involves a chemical reaction, which forms new products.
Example : Rusting of Iron, or burning wood.
Explanation:
have a good day <3 sorry i could answer q1 only ill think baout the others..
Answer:
-There is a variation in traits.
-The environment cannot support unlimited populations of organisms.
there is heredity.
-The trait that allows the organism to have more offspring will become more common in the population of organisms.
Because astrologers don't use tools , don't observe the planet.
Triceratops is the biggest of the horned dinosaurs. As infants, Triceratops bring forth out of eggs about the extent of a melon and need to develop into their horns. The Triceratops can be effortlessly perceived in view of the three horns found all over and also its huge body and the one of a kind lace around its head. Discover exactly how enormous they were, what they ate, why they required their horns, what US state records them as their official dinosaur and all the more intriguing data.
1/16 of a pound is in one pound because there are 16 oz in 1lb.
