Which of the following marine ecosystems consists of an aphotic zone?

A. The open ocean

B. The coastal ocean

C. The intertidal

D. The wetland

How does population growth negatively impact water quality? a. altering of wetlands b. underground water supply is increased c. decreased sedimentation in rivers and streams d. more water is chemically treated for drinking

What is a cirulatory system

if both alleles show up or are expressed in cross like roan cattle or calico cats what type of inheritance is it

Why does a moving object Stop moving after a while

Select the correct answer. The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain? OA. 14 O B. 7 Oc. o

How does the population growth rate affect how long Earth's coal supply will last? A. The coal supply lasts the longest when the population growth rate is high. B. The coal supply is used up the slowest when the population growth rate is average. C.

Within which structure does the placenta normally develop

A 29-year-old female presents with fever, cloudy urine, flank pain, and hematuria. these signs and symptoms support which diagnosis

What is the term for a male reproductive cell?

What happens if people keep killing sharks and who wants to stop it and how may do we kill a year