Fact 1: Cells secrete acids and bases to maintain the proper pH for enzymes to work. Fact 2: Enzyme systems efficiency is pH dependant. Given the two facts above, answer the question "Cells secrete acids and bases to maintain enzyme systems what?" with the following options: - breakdown - failure - efficiency - it needs them - kinetic - health - distractions - state
efficiency

Fact 1: Waxy leaves are used for storing water by some plants. Fact 2: Bromeliads are a group of plants that have stiff, waxy leaves that form a cup-shaped body. Given the two facts above, answer the question "Where do Bromeliads store water?" with the following options: - at or near the margins - hard outer covering - an external framework - By coral exoskeletons - In their leaves - Tropical - by indirect light - near the shoreline
In their leaves

Q: Fact 1: Some insects can use their antennae to detect sound. Fact 2: An insect's head has two feelers, or antennae. Given the two facts above, answer the question "What can some insects use their feelers to detect?" with the following options: - kale - noise - water vapor - tremors - waves - vibrate - air - sound
A: sound

Question: Fact 1: Biomass is the total mass of organisms at a trophic level. Fact 2: Trophic level refers to the organisms position in the food chain. Given the two facts above, answer the question "What is a biomass' position in the food chain called?" with the following options: - ecosystem - more abundant - action - food swamp - Chemical energy - Trophic level - permineralization - It decreases
Answer: Trophic level

*Question*
Fact 1: Cold fronts cause thunderstorms as they pass by. Fact 2: All thunderstorms produce lightning. Given the two facts above, answer the question "Cold fronts cause what?" with the following options: - lightning - Dehydration - erosion - mountains - sunlight - rainfall - sunsets - flooding
**Answer**
lightning

Q: Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Basically, heat is energy. Given the two facts above, answer the question "What does head hair prevent the loss of?" with the following options: - matter - chemicals - energy - sunlight - Nutrients - warmth - humidity - sweating
A: energy