Fact 1: The looseness of soil increases the amount of oxygen in that soil. Fact 2: Without oxygen in the soil, most plants die. Given the two facts above, answer the question "Plants may die without what?" with the following options: - nucleus of a cell - some looseness in the soil - wavelengths and photons - moss - single-celled organisms - organic molecules - snow - rocks
some looseness in the soil

(Question)
Fact 1: Plucking a string can cause that string to vibrate. Fact 2: Nylon string is by far the softest sound on the guitar. Given the two facts above, answer the question "What do guitars make sound with?" with the following options: - friction - vibration - voltage - energy - power - bamboo - mechanical - heat energy
(Answer)
vibration

Ques: Fact 1: Vinegar can cause harm to the eyes. Fact 2: Adill pickle absorbs the vinegar it is soaked in. Given the two facts above, answer the question "What can dill pickles do to eyes?" with the following options: - help them focus - kill them - reduce swelling - harm them - Change colors - increase vision ability - Relieve pain - protect them
Ans: harm them

(Q).
Fact 1: Adult echinoderms have radial symmetry. Fact 2: Modern echinoderms include starfish and sea urchins. Given the two facts above, answer the question "What has radial symmetry?" with the following options: - sea urchins - A Greek letter - humans - Most plants - peachleaf willow - catfish - gastropod shells - ducks
(A).
sea urchins

Ques:Fact 1: All animals are heterotrophs. Fact 2: Heterotrophics means fed by others. Given the two facts above, answer the question "All animals are what?" with the following options: - fed by hand - homogenous - fed by others - parasites - fed red meat - fed whole grains - important habitats - insects

Ans:fed by others

Fact 1: Sweat is used for adjusting to hot temperatures by some animals. Fact 2: Adjusts controls to regulate temperature and humidity of animals' quarters. Given the two facts above, answer the question "What is used to adjust controls to regulate temperature?" with the following options: - glass - motors - neurons - power - copper - sweat - forces - keratin
sweat