Question 9 (1 point) Choose ALL that apply for raft spiders.
Question 9 options:

Raft spider's legs have a waxy surface that repels water

Raft spider's light weight and large surface area allow it to walk on water.

Raft spiders sprint along submerged plants to catch underwater prey.

Raft spider's heavy weight and small surface area allow it to walk on water

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answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

the actual answer was 160934

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate