Which structure carries blood to the heart so the heart has its own supply of oxygenate nutrients to perform its function

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells