Fact 1: Biofuel is used to produce electricity by burning. Fact 2: Ethanol is the most widely used biofuel today. Given the two facts above, answer the question "what is used to produce electricity by burning?" with the following options: - air - heat - energy - cells - calcite - hydrogen - fire - ethanol
ethanol

(Question)
Fact 1: Phytoplankton are bacteria and algae that use sunlight to make food. Fact 2: Planktonic plants are called phytoplankton. Given the two facts above, answer the question "What are bacteria and algae that use sunlight to make food?" with the following options: - birds - carnivorous organisms - Transfers energy - competing for resources - planktonic plants - By wind and rain - fish - Chemical energy
(Answer)
planktonic plants

Ques: Fact 1: An earthquake causes the ground to shake. Fact 2: Seismometers measure earthquakes. Given the two facts above, answer the question "What measures the shaking of the ground" with the following options: - Seismometer - sensory neurons - Hygrometer - Speedometer - heat energy - kinetic energy - Force gauge - power stations
Ans: Seismometer

(Q).
Fact 1: Hair is a fiber that is found only in mammals. Fact 2: Hair is largely made of keratin, a protein that contains a lot of the amino acid cystine . Given the two facts above, answer the question "What do mammals contain?" with the following options: - food - ghosts - keratin - Animal fur - magic - soul - alveoli - four limbs
(A).
keratin

Ques:Fact 1: Protein is used to repair cells by the human body. Fact 2: Proteins are essential to the structure and function of cells. Given the two facts above, answer the question "cells need to be what regularly to function properly" with the following options: - growth - hydration - repaired - rest - frozen - plugged in - enlarged - staying warm

Ans:repaired

Fact 1: Behaviors can be learned through play. Fact 2: Animal behavior is the scientific study of everything animals do. Given the two facts above, answer the question "What can be learned from play?" with the following options: - exercise - Movement - resistance activities - strength - competition - what animals do - kinetic energy - reusing materials
what animals do