What is an expert of biology called?

Can sedimentary rocks be scratched by a penny? What is an example of the law of definite proportions? When earth cools most of the energy transferred from earth's surface to space is transferred by the process? What is a reason that the ozone near the earths surface is dangerous? From New York wesail to 47 degrees north latitude 52 degrees west longitude what is the name of this island? Weather forecast Hyderabad? Which radiation are used to prevent sprounting of onions or potatoes? Can you convert a inground pool with concrete bottom and polymer sides into a liner pooll? Why are the prone areas hazards to the cyclone? What is ammonium cyanat? Why is it called a gibbous moon? If the velocity of sounds in air is 1130ft per sec and a small rock is released in a well and after 2.73 sec you hear the rock hit the water then How deep is the well? What should be used to put out a fire in person's hair or clothing? What is the time difference between the Philippines and Honolulu? Can you use dettol liquid antiseptic for private wash? What process produces offspring from only one parent organism? How do sister chromatids differ from homologous chromosomes Sister chromatids are identical while homologous chromosomes are merely similar. There is no difference between sister chromatids and homolo? What does a toaster have to do with thermal energy? How do the molecules of an extremely hot substance move? What two oceans border the Philippines?