37. What is a consequence of HIV infection on the human body? A. decreased lymphocyte numbers
B. increased protection against bacterial infections
C. increased haemoglobin production
D. sickle-cell anaemia

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

What is the difference between how ionic and covalent bonds form