Purple loosestrife, lythrum salicaria, is a beautiful, long-stemmed wetlands species brought to the united states from europe as an ornamental plant. in the united states, it has no predators and crowds out cattails, typha latifolia, another wetlands plant that's a valuable resource for many species. purple loosestrife is an example of

Why does bubbling occur when vinegar mixed with baking soda

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind

Does all the energy stored by the phytoplankton reach the top level of the pyramid