Hel ASA

A substance being examined is the same throughout. The substance contains carbon and oxygen,
chemically combined. What type of substance is it? (SC.8.P.8.9)

element
compound
homogeneous mixture
heterogeneous mixture

What is one disadvantage of desalination? a - the process kills fish. b - the process uses fuel that is expensive. c - the process makes water that is unsafe to drink. d - the process is too difficult to carry out in big cities. quick taking a !

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.