Hey. The first sound is the "lub." This is what you hear once the mitral and tricuspid valves of the heart close, which are the valves between the atria and the ventricles! Super cool. It is your third answer choice.
Answer:
Answer:
Industrialization
Human impact on the environment
The more industries created, the more the levels of population of the environments,
Activities of man on the environment from damaging of ozone layers, to effect on greenhouse gasses also leads to environmental change
The Industrialization which leads to destruction and clearing of the forests affects the ecosystem by leading to global warming,through increase in atmospheric C02.
Completed Question.
a) urbanization b) people overpopulation c) industrialization d) international fertility rates e) human impact on the environment
Answer:
Heterotrophs are the organisms which cannot prepare their food on their own like autotrophs instead are dependent on other mode to obtain the organic substances from the environment. This method is common in animal and fungi groups.
Although both fungi and animals are heterotrophs their mode of heterotrophic is different as fungi obtain organic substance b secreting many digestive enzymes which digests the complex biomolecules and the fungi obtain the organic substances whereas the animals swallow or ingest the material and then digests it.
D would be the answer because it’s more logical in a way than the others.
