Which type of environment would tend to reduce genetic variation in a population because of evolution by natural selection? grasslands that are undergoing severe drought
an ocean ecosystem that is becoming more acidic
an old growth forest with trees that are over 1,500 years old
a tropical rainforest that is being deforested for farmland

This is s cute awee : (( . well if she's showing you signs that she may like you , then shoot your shot ! don't be afraid . & if you're unsure that she's giving you these signs , then wait out for a little bit . most girls are different . some may act really sweet , but only bc you're a good friend of hers . that , or she might like you . you just never know . but i think you should sit down with her & tell her how you feel . but don't be awkward & shy . just be straight up & tell her how you feel . if the feelings aren't mutual , then don't cry about it . you need to respect her decision & look for others in the world . feelings can be difficult & confusing , but don't be afraid to show them . i say you play it out & if you're still unsure about it , talk to her . - rach

Synapse nervous system they process and transmit signals. in a neuron

The 3 steps are vasoconstriction, temporary blockage of a platelet plug, formation of a fibrin clot better known as coagulation.