Identify and explain two ways in which human activities can negatively affect the Environment (What are we doing wrong??), and then Identify and explain two ways in which human activities can positively affect the Environment (How can we help??)

Which of the following statements describes how the characteristics of different species of mammals reflect the evolutionary relationships among those species? shared anatomy among mammals, such as hair and mammary glands, suggests that a common ancestral species had these features. similarities in the dna and protein structures of mammal species suggest that these species evolved from a common ancestor. although all modern species of mammals share some features, the differences between them mean they cannot share a common ancestor.

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Abnormal softening of a gland is known as