Fact 1: Sediment is formed by weathering. Fact 2: Most chemical weathering is caused by water. Given the two facts above, answer the question "Sediment can be formed by" with the following options: - Rocks - seasons - a wave - wind - streams - water - soils - thrust
water

(Question)
Fact 1: Birds evolved from a group of bipedal dinosaurs called theropods. Fact 2: Bird's feathers have evolved from reptile scales. Given the two facts above, answer the question "what have evolved from reptile scales of bipedal dinosaurs called theropods" with the following options: - animals - fur - feathers - fur and fat - mammals - warm-blooded - hair - eyes
(Answer)
feathers

Ques: Fact 1: Along tail can be used to move through water by an animal. Fact 2: Sharks use their tail to move through the water. Given the two facts above, answer the question "What has a tail?" with the following options: - squids - Bats - tomatoes - sharks - trout - humans - rocks - Mammal
Ans: sharks

(Q).
Fact 1: Mammals conserve body heat with their hair or fur. Fact 2: Body heat is trapped in the haircoat. Given the two facts above, answer the question "What do mammals use to conserve heat?" with the following options: - energy - Energy. - fur and fat - blood - haircoat - food - body water - tail
(A).
haircoat

Ques:Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Antigens are expressed by cancer cells. Given the two facts above, answer the question "What can recognize cancer cells as foreign to the body?" with the following options: - electromagnetic energy - viruses - the immune system - bacteria - Allergies - Microscope - the colon - turn to a doctor

Ans:the immune system

Fact 1: Viruses contain DNA but not much else. Fact 2: DNA contains the genetic information for life. Given the two facts above, answer the question "What contain the genetic information for life but not much else?" with the following options: - plants - barnacles - parasites - fungi - alleles - animals - Viruses - bacteria
Viruses