Answer:
stimulants (e.g. cocaine)
depressants (e.g. alcohol)
opium-related painkillers (e.g. heroin)
hallucinogens (e.g. LSD)
Answer:
Organisms depends on physical and biological factors of an ecosystem.
Explanation:
Biological and physical changes cause shift in an ecosystem's populations because the population of organisms depends and greatly affected from the environmental factors such as temperature, moisture etc. These environmental factors causes change in the physical features of an ecosystem so when these changes occur in physical factors, it greatly affected the population of organisms.
If two heterozygous parents mate, the phenotypes of the resulting offspring will be 75% dominant and 25% recessive
that's all wrong the real answer is b.99.3
Answer:
it is true. Watersheds can be as small as a footprint or large enough to encompass all the land