PLeas hurry Which of the following matches a human action with its impact?

Construction of dam : Scarcity of water for animals

Use of fertilizers : Increase in the population of aquatic animals

Decrease in honeybee population : Increase in plant population

Construction of roads : Improvement in quality of water in local lakes

What’s the scientific notation for the number 6,840,000,000

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.