You are presented with the question "What of lipids may contain other molecules as well?" and the following answer choices: - empty spaces - big spaces - building blocks - small parts - solid, liquid, gas - Organic compounds - layers of fat - bioaerosols Now knowing that lipids may consist of fatty acids alone, or they may contain other molecules as well and fatty acids are the building blocks of lipids, choose the best answer.
building blocks
(Question)
You are presented with the question "What creates active immunity from a parasite?" and the following answer choices: - Cooking - memory cells - alpacas - peachleaf willow - Allergies - mammals - an organism's body - animals Now knowing that active immunity results when an immune response to a pathogen produces memory cells and if the parasite causes harm, it is a pathogen, choose the best answer.
(Answer)
memory cells
Ques: You are presented with the question "Tungsten filaments sealed in a glass bulb are used for what in the dark?" and the following answer choices: - photons - energy - seeing - stay warm - sleeping - talking - communicating - heat Now knowing that alight bulb is used for seeing in the dark and incandescent light bulbs use a tungsten filament sealed inside a glass bulb, choose the best answer.
Ans: seeing
(Q).
You are presented with the question "what do most copepods feed on?" and the following answer choices: - animals - bacteria and algae - density - body water - scarce resources - salt and water. - an organism's body - oxygen Now knowing that phytoplankton are bacteria and algae that use sunlight to make food and most copepods feed on phytoplankton, choose the best answer.
(A).
bacteria and algae
Ques:You are presented with the question "Uneven heating of Earth's surface causes the movement of what?" and the following answer choices: - Earth's core - underground air - electromagnetic energy - atmospheric air - Earth's moon - Greenhouse gases - kinetic energy - an object Now knowing that uneven heating of the Earth 's surface cause wind and wIND Wind is the movement of atmospheric air on a planet, choose the best answer.

Ans:atmospheric air
You are presented with the question "How do polar bears stay warm in the winter?" and the following answer choices: - They have cold blood - protect them - They eat a lot - hard outer covering - by indirect light - They go swimming - They have thick fur - When it's cold Now knowing that some animals' fur grows thicker for staying warm in the winter and polar bears grow fur to survive in the cold, choose the best answer.
They have thick fur