Answer:
3. by studying plants and animals
Explanation:
Bringing harmful plants causes harm to the other species living there.
Destroying a lot of trees takes away a lot of homes from animals.
If you're just studying them no harm is being done.
Using pesticides can cause negative effects to the plants and animals who eat them.
He was in search of spices
Answer:
"DSM-lV and DSM-lV-TR" nosologies removed the distinction between organically based disorders and psychologically based disorders present in preceding editions.
Explanation:
DSM IV denotes the Diagnostic and Statistical Manual of Mental Disorders, fourth edition, text revision. It is handbook which is being used by the physicians in the Unites States and also over the worldwide as the authoritative guide in case of the diagnosis of the mental disorder. It also has the descriptions about the signs and symptoms of diseases with standards of mental disorders. This manual is published by American psychiatric Association(APA), in this book it has all the possible ways of mental disorder treatment.
Answer:
Conservation tillage is an ecological, well-sustained practice that will lead to sustainability (Option A).
Explanation: the ansewer
