*Question*
Harming an animal species has a negative impact on the population size of that species, and hot weather can cause harmful bacterial growth in feeders. Given these facts, what can have a negative impact on a species' population size among the following options: - cigarettes - Pesticides - steroids - humans - weather - flooding - Smoking - viruses
**Answer**
weather

*Question*
Creating paper requires cutting down trees, and to cut down a tree is like destroying a life. Given these facts, creating paper may cause among the following options: - Physical weathering - Something to move - destroying life - It expands - Greenhouse gases - contamination - Pollution - harmful substances
**Answer**
destroying life

*Question*
Fossils are formed when layers of sediment cover the remains of organisms over time, and fish Fish are the ultimate aquatic organism. Given these facts, what can be formed when layers of sediment cover the remains of fish among the following options: - oysters - detritus - bones - deposits - fossils - metamorphic rocks - volcanic rock - shells
**Answer**
fossils

*Question*
Cells that divide uncontrollably may form a tumor, or abnormal mass of cells, and tumor Tumors are masses of neoplastic origin. Given these facts, cells that divide which way may form masses of neoplastic origin among the following options: - non-neoplastic - controllably - epidermal - an organism's body - seldomly - epidermis and dermis - uncontrollably - Veins and arteries.
**Answer**
uncontrollably